GB/T 12777-1991

GB/T 12777-1991, Total:4 items.

The international standard classification for "GB/T 12777-1991" includes: Piping systems .

The Chinese standard classification for "GB/T 12777-1991" includes: Resistor , Vessel pipeline fittings in general .

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

• GB/T 12777-1999 General specification for metal bellows expansion joints
• GB/T 12777-1991 General specification of metallic bellows expansion joints
• GB/T 12777-2008 General Specification for Metal Bellows Expansion Joints

国家市场监督管理总局、中国国家标准化管理委员会

• GB/T 12777-2019 General specification for metal bellow expansion joints

Others: gbt,gbt gbt,gbt method,ultraviolet gbt,gbt series,GBT10044,GBT10046,GBT10,GBT100,GBT1000,GBT10000,GB/T 10001.1,GB/T 10001.10,GB/T 10001.2,GB/T 10001.3,GBT10001.4,GBT10001.5,GB/T 12777-1991