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Database: 365,228(8 Aug 2026)

pm2.5 once twice

pm2.5 once twice, Total:230 items.

The international standard classification for "pm2.5 once twice" includes: Water supply systems , Transport by rail , Products of non-ferrous metals , Wastes , General standards related to shipbuilding and marine structures .

The Chinese standard classification for "pm2.5 once twice" includes: Water supply and draining instrument and equipment , Railway transport in general , Technical management , Environmental protection equipment .


Group Standards of the People's Republic of China

Professional Standard - Electricity

  • DL/T 1517-2016 Specification of Field Test of Secondary Pressure Drop and Primary Load
  • DL/T 1517-2016(英文版) Technical specifications for secondary pressure drop and secondary load field testing

National Metrological Technical Specifications of the People's Republic of China

  • JJF 2041-2023 Method for Transformer Secondary Loop Voltage Drop and Loads Field Testing

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

  • GB/T 26724-2011 One-off battery scraps
  • GB/T 20077-2006 One trip pallet
  • GB/T 43663-2024 Surface chemical analysis—Secondary-ion mass spectrometry—Repeatability and constancy of the relative-intensity scale in static secondary-ion mass spectrometry

Taiwan Provincial Standard of the People's Republic of China

  • CNS 14857.1-2004 Secondary lithium cell and batteries for portable applications - Part 1: Secondary lithium cells
  • CNS 6032-1987 Alkaline Primary Cells and Batteries
  • CNS 14857-1-2004 Secondary lithium cell and batteries for portable applications - Part 1: Secondary lithium cells
  • CNS 14857.2-2004 Secondary lithium cell and batteries for portable applications - Part 2: Secondary lithium batteries
  • CNS 14857-2-2004 Secondary lithium cell and batteries for portable applications - Part 2: Secondary lithium batteries

Hunan Provincial Standard of the People's Republic of China

  • DB43/T 1799.5-2020 "One-time handling" service specification Part 5: "One-time acceptance" service specification
  • DB43/T 1799.4-2020 "One thing at a time" service specification part 4: "One form" service specification
  • DB43/T 1799.6-2020 Part 6 of the service specification for "one thing at a time": "one-time joint operation" service specification
  • DB43/T 1799.7-2020 "One thing at one time" service specification Part 7: "One delivery" service specification
  • DB43/T 1799.10-2020 "One thing at a time" service specification part 10: one-time guide service specification
  • DB43/T 1799.3-2020 "One thing at a time" service specification Part 3: "One notification" service specification

Professional Standard - Machinery

  • JB/T 6931-1993 Two stage air floatation filter water purifier
  • JB/T 6931-2010 Two stage wastewater treatment equipment by air floating and filtration

Shanxi Provincial Standard of the People's Republic of China

  • DB14/T 2634.4-2023 Part 4 of the work specification of "doing one thing at a time" in government services: one-time acceptance

Zhejiang Provincial Standard of the People's Republic of China

  • DB3301/T 1059-2018 Technical regulations for asparagus facility cultivation with secondary stem retention and third harvesting.

Professional Standard - Urban Construction

  • CJJ 140-2010 Technical specification for secondary water supply engineering

Professional Standard-Ships

Shanghai Provincial Standard of the People's Republic of China

工业和信息化部

  • JB/T 6931-2020 Two stage wastewater treatment equipment by air floating and filtration

Yunnan Provincial Standard of the People's Republic of China

Guangxi Provincial Standard of the People's Republic of China

US-FCR

ASHRAE - American Society of Heating@ Refrigerating and Air-Conditioning Engineers@ Inc.

BELST

Korean Agency for Technology and Standards (KATS)

British Standards Institution (BSI)

  • BS EN IEC 62984-1:2020 High-temperature secondary batteries - General requirements
  • BS 6807:1986 Methods of test for the ignitability of mattresses with primary and secondary sources of ignition
  • BS EN 61960-2:2002 Secondary lithium cells and batteries for portable applications - Secondary lithium batteries
  • BS ISO 2186:2007 Fluid flow in closed conduits - Connections for pressure signal transmissions between primary and secondary elements
  • BS EN 14290:2004 Zinc and zinc alloys - Secondary raw material
  • BS 6807:1996 Assessment of the ignitability of mattresses, upholstered divans and upholstered bed bases with flaming types of primary and secondary sources of ignition

KR-KS

American National Standards Institute (ANSI)

  • ANSI/ATIS 0600338-2021 Electrical Coordination of Primary and Secondary Surge Protection for Use in Telecommunications Circuits

GSO

  • GSO IEC 62281:2014 Safety of primary and secondary lithium cells and batteries during transport
  • GSO 2580:2021 Single use - Disposable Plastic Tableware
  • GSO IEC 60050-482:2015 International Electrotechnical Vocabulary - Part 482: Primary and secondary cells and batteries
  • GSO 1472:2002 Dry primary batteries.
  • GSO 2661:2021 Single-Use Drinking Water bottles Made of Polyethylene Terephthalate
  • BH GSO 2661:2022 Single-Use Drinking Water bottles Made of Polyethylene Terephthalate
  • BH GSO ISO 2186:2017 FLUID FLOW IN CLOSED CONDUITS -- CONNECTIONS FOR PRESSURE SIGNAL TRANSMISSIONS BETWEEN PRIMARY AND SECONDARY ELEMENTS
  • OS GSO ISO 2186:2017 FLUID FLOW IN CLOSED CONDUITS -- CONNECTIONS FOR PRESSURE SIGNAL TRANSMISSIONS BETWEEN PRIMARY AND SECONDARY ELEMENTS
  • BH GSO 2716:2023 Adult Diapers for Single-Use

International Electrotechnical Commission (IEC)

SCC

International Telecommunication Union (ITU)

RO-ASRO

American Society for Testing and Materials (ASTM)

  • ASTM A657/A657M-03(2008)e1 Standard Specification for Tin Mill Products, Black Plate Electrolytic Chromium-Coated, Single and Double Reduced
  • ASTM D7198-05(2018) Standard Specification for Disposable Embalming Gloves for Single-Use Applications
  • ASTM D7198-05(2023) Standard Specification for Disposable Embalming Gloves for Single-Use Applications

Defense Logistics Agency

ES-UNE

  • UNE-EN IEC 62281:2019/A1:2021 Safety of primary and secondary lithium cells and batteries during transport (Endorsed by Asociación Española de Normalización in May of 2021.)
  • UNE-EN IEC 62281:2019 Safety of primary and secondary lithium cells and batteries during transport (Endorsed by Asociación Española de Normalización in July of 2019.)
  • UNE-EN IEC 62281:2019/A2:2023 Safety of primary and secondary lithium cells and batteries during transport (Endorsed by Asociación Española de Normalización in May of 2023.)
  • UNE-EN IEC 62984-1:2020 High-temperature secondary batteries - Part 1: General requirements (Endorsed by Asociación Española de Normalización in June of 2020.)

Standard Association of Australia (SAA)

  • AS 2668:1983 Water for use in secondary batteries
  • AS 4086.1:1993 Secondary batteries for use with stand-alone power systems - General requirements
  • AS 4885:2006 Transfusion sets for single use

Society of Automotive Engineers (SAE)

DIN

  • DIN EN 62281:2005 Safety of primary and secondary lithium cells and batteries during transport (IEC 62281:2004); German version EN 62281:2004
  • DIN EN IEC 62281:2024 Safety of primary and secondary lithium cells and batteries during transport (IEC 62281:2019 + A1:2021 + AMD2:2023); German version EN IEC 62281:2019 + A1:2021 + A2:2023

GOSTR

  • PNST 468-2020 Resources saving. Secondary resources and secondary raw materials. Terms and definitions

IN-BIS

VDE - VDE Verlag GmbH@ Berlin@ Germany

  • VDE 0509-6-2013 Safety of primary and secondary lithium cells and batteries during transport (IEC 62281:2012); German version EN 62281:2013
  • VDE 0509-6-2017 Safety of primary and secondary lithium cells and batteries during transport (IEC 62281:2016); German version EN 62281:2017
  • VDE 0509-6-2018 Safety of primary and secondary lithium cells and batteries during transport - (IEC 35/1384/CD:2017); Text in German and English
  • VDE 0509-6-2015 Safety of primary and secondary lithium cells and batteries during transport (IEC 35/1348/CD:2015)

Association Francaise de Normalisation

  • NF C58-484-1*NF EN IEC 62984-1:2020 High-temperature secondary batteries - Part 1 : general requirements
  • NF EN IEC 63115-1/A1:2022 Accumulateurs alcalins et autres accumulateurs à électrolyte non acide - Accumulateurs étanches au nickel-métal hydrure destinés à l'utilisation dans des applications industrielles - Partie 1 : Performances
  • NF A55-400*NF EN 14290:2004 Zinc and zinc alloys - Secondary raw material
  • NF EN IEC 61960-4:2020 Accumulateurs alcalins et autres accumulateurs à électrolyte non acide - Accumulateurs au lithium pour applications portables - Partie 4 : éléments et batteries d'accumulateurs boutons au lithium

NZ-SNZ

European Committee for Electrotechnical Standardization(CENELEC)

NEMA - National Electrical Manufacturers Association

US-VA

VDI - Verein Deutscher Ingenieure

United States Navy

US-GSA

International Organization for Standardization (ISO)

  • ISO 2186:2007 Fluid flow in closed conduits - Connections for pressure signal transmissions between primary and secondary elements

CENELEC - European Committee for Electrotechnical Standardization

  • EN 61960-1:2001 Secondary Lithium Cells and batteries for Portable Applications Part 1: Secondary Lithium Cells
  • EN 61960-2:2001 Secondary Lithium Cells and Batteries for Portable Applications Part 2: Secondary Lithium Batteries

GM North America

Japanese Industrial Standards Committee (JISC)

GB-REG

IL-SII

Malaysia Standards

  • MS 273-1998 Specification for paraquat dichloride aqueous solutions (first revision)

German Institute for Standardization

  • DIN EN 14290:2004 Zinc and zinc alloys - Secondary raw material; German version EN 14290:2004
  • DIN EN 14290:2004-10 Zinc and zinc alloys - Secondary raw material; German version EN 14290:2004

Lithuanian Standards Office

Danish Standards Foundation

U.S. Environmental Protection Agency (U.S. EPA)

(U.S.) Telecommunications Industries Association

IT-UNI

  • UNI S 45-1941 Secondary casting of aluminum ingots for steelmaking

European Committee for Standardization (CEN)

Canadian Standards Association (CSA)

  • CAN/CSA-C68.7-2011 Underground secondary and service-entrance cable for electrical distribution utilities (First Edition; Update No. 1: October 2011)

U.S. Military Regulations and Norms

TR-TSE

  • TS 2022-1975 FLUID FLOW ?N CLOSED CONDUITS — CONNECTIONS FOR PRESSURE SIGNAL TRANSMISSIONS BETWEEN PRIMARY AND SECONDARY ELEMENTS

PL-PKN

Indonesia Standards

American Society of Mechanical Engineers (ASME)

  • ASME MFC-8M-2001(R2016) Fluid Flow in Closed Conduits: Connections for Pressure Signal Transmissions Between Primary and Secondary Devices

SAE - SAE International

AENOR

RU-GOST R