GB - Chinese national standards

Classification, terminology and numbering for parts and assemblies of the time measuring instruments—Mechanical wrist watch movements

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Performance andtest methods of the 30 channels pulse code modulation multiplex equipment at 2048 kbit/s

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Chemical reagent - Carbon tetrachloride

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Precision methods for reverberation test rooms

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Engineering methods for small movable sources in reverberant fields—Comparison method for a hard-walled test room

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Precision methods for anechoic rooms and hemi-anechoic rooms

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Cemented carbide sintering body for wire, bar or tube drawing dies—Dimensions

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Hardmetals—Sampling and testing method of mixed powders

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Sintered stainless steel filter elements

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Sintered metal filter elements

Available languages: English, Chinese

Available design: electronic design (pdf), Print design