China National Standards
中华人民共和国国家标准

View My Cart
Free Sign up
Member Login
Hot words: GB  Telecommunic  %  H  At  and  n  Test  for  5  Co  specificatio  Method  TS  YS         
China JJ GB Standards Search System  

GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards;  We provide Chinese GB standards and English version GB standards  Lookup, Translate, Download, Purchase services.
  •  China "JJ" GB Standards List:
  • Standard  Code GB Standard Title Standard Class Order
    JJF 1305-1990 (3cm impedance reference operating technical specifications)

    JJ-China Metrological Standards

    JJF 1306-1990 Operating technical norm of 3 cm, 5 cm coaxial thermal noise primary standard

    JJ-China Metrological Standards

    JJF 1307-1990 (0.1 ~ 50V, 5 ~ 200V pulse amplitude reference operating technical specifications)

    JJ-China Metrological Standards

    JJF 1308-1990 (Cs-III time cesium beam frequency standard operating technical specifications)

    JJ-China Metrological Standards

    JJF 1304-1990 (0.6 to 1 GHz, 2-4 GHz coaxial phase shift reference operating technical specifications)

    JJ-China Metrological Standards

    JJF 1274-1990 (IF (2 ~ 100kHz) sound pressure water base operating technical specifications)

    JJ-China Metrological Standards

    JJF 1265-1990 (Low frequency vibration perpendicular to the base operating technical specifications)

    JJ-China Metrological Standards

    JJF 1266-1990 (Low frequency vibration perpendicular to operate secondary standard technical specifications)

    JJ-China Metrological Standards

    JJF 1331-1990 (1 ~ 40 joule laser energy reference operating technical specifications)

    JJ-China Metrological Standards

    JJF 1267-1990 (2. 5 × 10?~ 1 × 10?m/s impact acceleration reference operating technical specifications)

    JJ-China Metrological Standards

    JJF 1309-1990 (Atomic time scale reference operating technical specifications)

    JJ-China Metrological Standards

    JJF 1269-1990 (Coupled cavity reciprocity law reference sound pressure operating technical specifications)

    JJ-China Metrological Standards

    SJJ 21-1990 Standard for design of electric lighting in electronic industry

    JJ-China Electronics Standards

    JJF 1270-1990 (Reciprocity Act coupled cavity acoustic pressure secondary standard operating technical specifications)

    JJ-China Metrological Standards

    JJF 1271-1990 (Electro-acoustic free-field sound pressure reference operating technical specifications)

    JJ-China Metrological Standards

    JJF 1268-1990 (4 × 10?~ 2. 5 × 10?m/s?shock acceleration reference operating technical specifications)

    JJ-China Metrological Standards

    JJF 1273-1990 (High frequency (0.1 ~ 5MHz) sound pressure water base operating technical specifications)

    JJ-China Metrological Standards

    JJF 1287-1990 (DC current (1A) reference operating technical specifications)

    JJ-China Metrological Standards

    JJF 1275-1990 (Low frequency (1 ~ 2000Hz) sound pressure water base operating technical specifications)

    JJ-China Metrological Standards

    JJF 1276-1990 (Watts ultrasonic power base operating technical specifications)

    JJ-China Metrological Standards


    Find out:4290Items   |  To Page of: First -Previous-Next -Last  | [142] [143] [144] [145] [146] [147] [148]

     

    +86-400-6578191        info@transcustoms.com 
    106# Zhongmao Mansion,No.1 Beizhan Road,Shenzhen,China
    ©  RJS Copyright  2001-2017 All Rights Reserved


    www.GBstandards.org