GB - Chinese national standards

Quality requirements for monosodium L-glutamate

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Double end studs--bm=1d

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Air quality--Determination of benzo(a) pyrene in flying bust--Acetylated paper chromatography fluorescence spectrophotometric method

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Generic specification for film integrated circuits and hybrid film integrated circuits

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Integrated wastewater discharge standard

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Pure nitrogen,high purity nitrogen and ultra pure nitrogen

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Double end studs--bm=1.25d

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Oxygen supplies for medicine and aircraft breathing

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Gas analysis—Determination of the contents of trace carbon monoxide, carbon dioxide and hydrocarbon in gases—Gas chromatography with flame ionization detector

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Micrographics - Test target for checking optical density of negative microimages in microfilming

Available languages: English, Chinese

Available design: electronic design (pdf), Print design