Sign In |Help & Support
ALL SECTORS
  • ALL SECTORS
  • GB(National Standard)
  • CB(Shipping)
  • CECS(Engineering Construction)
  • CJ(Urban Construction)
  • CY(News and Publication)
  • DB(Provincial Standard)
  • DL(Electricity & Power)
  • DZ(Geology & Mineralogy)
  • FZ(Spinning & Textile)
  • GA(Public Security)
  • HB(Aviation)
  • HG(Chemical Industry)
  • HJ(Environmental Protection)
  • JB(Machinery)
  • JC(Building Materials)
  • JG(Building & Construction)
  • JJ(Metering)
  • JT(Highway & Transportation)
  • LY(Forestry)
  • MT(Coal)
  • NB(Energy)
  • NY(Agriculture)
  • QB(Light Industry)
  • QC(Automobile & Vehicle)
  • QJ(Aerospace)
  • SH(Petrochemical)
  • SJ(Electronics)
  • SL(Water Resources)
  • SN(Commodity Inspection)
  • SY(Oil & Gas)
  • TB(Railway & Train)
  • YB(Ferrous Metallurgy)
  • YC(Tobacco)
  • YD(Telecommunication)
  • YY(Medical Device)
Database: 365,228(8 Aug 2026)
secret level document confidentiality level code documents scopethis standard level standard applies aquatic new standard scientific name double action
SL/T 200.21-1997 in English

SL/T 200.21-1997 in English

VALID

Codes for secret level of documents

  • Issued on:1997-08-22
  • Implemented on:1996-10-01
  • File Format:PDF
  • Delivery:Via email within 1~3 business days
Price(USD): $180.00
$175.00
Standard No: SL/T 200.21-1997
Document status: VALID
Title in English: Codes for secret level of documents
Title in Chinese: 文献保密等级代码
Language: English
File Format: Electronic (PDF)
Delivery: Via email within 1~3 business days
Issued on: 1997-08-22
Implemented on: 1996-10-01
Professional Classification: SL-Water Resources
Related Keywords: secret level
document confidentiality level code
documents scopethis standard
level
standard applies
Related Topics: Literature group
literature
classified
confidentiality level
Literature ethanol
Document Tik
keep secret
Thesis code
confidentiality level
test literature
Literature direction
confidentiality level
Wang Rui’s civilization level
ESI MS SQD2 Literature
file code east


Scope

This standard specifies the document confidentiality level code. This standard applies to government information exchange, processing and related database construction.

Sample only — not a preview of SL/T 200.21-1997
Page: 1 / 0
100%

Loading PDF document...

Error loading PDF. Please make sure the file is valid and try again.

We also recommend