CHN/1436
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 Regulators (53 page(s), in Chinese)
This standard replaces the National Standard of the P.R.C., City Gas Pressure Regulators (GB 27790-2011). This standard specifies the terms and definitions, symbols, classifications and marks, structures and materials, requirements, test methods, inspection rules, marks, labels, operation instructions, packaging, transportation and storage of gas pressure regulators for urban gas (artificial gas and natural gas) transmission and distribution systems.