GB - Chinese national standards

Hearing protective equipment—Part 1:Earplugs

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Hearing protective equipment—Part 2:Earmuffs

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Guide for performance acceptance of oxygen bomb calorimeter

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Determination of coal ash viscosity

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Specifications for determinator of sulfur by coulometric titration

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Coal water slurry for gasification

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Specification for determinator of coal ash fusibility

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Vocabulary relating to coal chemical technology

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Guide for quality management in a coal laboratory

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Colour determination method of liquid chemicals (Hazen unit--platinum-cobalt scale)

Available languages: English, Chinese

Available design: electronic design (pdf), Print design