GB - Chinese national standards

Water quality--Determination ofsulfide--Methylene blue spectrophotometric method

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Electronic universal testing machines

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Optics and optical instruments -- Environmental requirements--General information definitionsclimatic zones and their parameters

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Chemical reagent—Trisodium citrate dihydrate

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Chemical reagent—Xylene

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Chemical reagent--Potassium sulfate

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Surface active agents - Determination of storage stability of water-in-oil emulsion

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Guide for the preparation of electrical and electronic safety publications and the use of basic safety publications and group safety publications

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Electrical installations in ships—Primary DC distribution—System design architecture

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Classification and code of employment form in organization

Available languages: English, Chinese

Available design: electronic design (pdf), Print design