GB - Chinese national standards

Geologic exploration standard of geothermal resources

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Synchronous belt dirves—Belts with pitch codes—MXL, XXL, XL, L, H, XH and XXH—Synchronous belt dimensions

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Lexicography—Basic terminologycommon symbols and Chinese abbreviations

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Pipe fittings of copper and copper alloys - Part 1: Fittings of braze welding type

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Pipe fittings of copper and copper alloys - Part 2: Fittings of press type

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Ships and marine technology - Launching appliances for davit-launched lifeboats

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

General specification of marine engine room central control console

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Acetylene cylinders

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Seamless aluminum alloy gas cylinders

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Citizen identification number

Available languages: English, Chinese

Available design: electronic design (pdf), Print design