GB - Chinese national standards

Acoustics--Standard ultrasonic power source

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Acoustics - Measurement methods of insertion lossecho reduction and sound absorption coefficient for underwater acoustical material samples

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Anchoragegrip and coupler for prestressing tendons

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Dangerous goods—Requirements of the hazard classification procedure and compatibility for explosives

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Dangerous goods—Test method of acceptance and classification for explosives

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Discharge standard of water pollutants for space propellant

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Water quality--Determination of asymmetrical dimethyl hydrazine--Amino ferrocyanide sodium spectrophotometric method

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Water quality--Determination of triethylamine--Bromophenol blue spectrophotometric method

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Water quality--Determination of diethylenetriamine--Salicyiclaldehyde spectrophotometric method

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Generic specification for Loran-C system

Available languages: English, Chinese

Available design: electronic design (pdf), Print design