GB - Chinese national standards

Carbon and low-alloy steel—Determination of multi-element contents—Spark discharge atomic emission spectrometric method (routine method)

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Zirconium and zirconium alloy powder for additive manufacturing

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Gas analysis—Analytical methods validation for hydrogen fuel in proton exchange membrane(PEM) fuel cell applications for road vehicles

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Gas analysis—Gas chromatography with micro-cell thermal conductivity detector

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Determination for speciation of 12 elements such as copper, zinc, cadmium, lead and chromium in waste chemicals—Sequential extraction procedure

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Rotodynamic pumps—Hydraulic performance acceptance test using a model pump

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Additive manufacturing—Test method of sand mold properties for metal casting

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

General specification for discrete semiconductor devices of space application

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

General requirements for civil large and medium unmanned helicopter system

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

General specification for separable and break-off connectors for aerospace

Available languages: English, Chinese

Available design: electronic design (pdf), Print design