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Database: 365,228(8 Aug 2026)

nb 20246

nb 20246, Total:24 items.

The international standard classification for "nb 20246" includes: Acoustics and acoustic measurements .

The Chinese standard classification for "nb 20246" includes: Acoustic Measurement .


Professional Standard - Energy

  • NB/T 20246-2013 Specification for Environmental Radiation Monitoring of Nuclear Power Plants

未注明发布机构

Professional Standard - Electron

  • SJ 20246-1993 Verification regulation of HF digital phase meter

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

  • GB/T 20246-2006 Acoustics - Determination of sound power levels of multisource industrial plants for evaluation of sound pressure levels in the environment - Engineering method

International Organization for Standardization (ISO)

Japanese Industrial Standards Committee (JISC)

American Society of Mechanical Engineers (ASME)

GSO

ZA-SANS

  • SANS 1200 NB:1981 Standardized specification for civil engineering construction Section NB: Railway sidings (trackwork)

British Standards Institution (BSI)

SCC

  • AS 1099.2NB:1973 Basic environmental testing procedures for electrotechnology, Part 2NB: Tests - Test Nb - Change of temperature - Change of temperature, one-chamber method
  • DANSK DS/ISO/IEC 20246:2017 Software and systems engineering – Work product reviews