CHN/1437
WTO/TBT
Chine - 91 - Bâtiment et matériaux de construction
- 90 - Instruments et appareils d'optique, de photographie ou de cinématographie, de mesure, de contrôle ou de précision; instruments et appareils médico-chirurgicaux; parties et accessoires de ces instruments ou appareils
2020-09-21
2020-07-28
City gas pressure regulators; ICS: 91.140; HS: 90328100
National Standard of the P.R.C., City Gas Pressure Regulating Installation (20 page(s), in Chinese)
This standard specifies the terms and definitions, model preparation, structure and materials, technical requirements, test methods, inspection rules, quality certificates, marks, packaging, transportation and storage of gas pressure regulating installation for gas transmission and distribution system.