GB - Chinese national standards

Electricity metering equipment—Dependability—Part 321:Durability testing of the stability of metrological characteristics by applying elevated temperature

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Electricity metering equipment—Dependability—Part 41:Reliability prediction

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Hygienic requirement for peacetime utilization of civil air defence works

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Hygienic specification for public toilet

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Hygienic safety evaluation of chemicals used in drinking water treatment

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Hygienic safety evaluation of distribution equipment, protective materials and treatment materials in drinking water system

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Estimation of colour of varnishesboiledoils and thinners

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Health protection zone for coal gas industry

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Health requirements of daily learning time for secondary and elementary school students

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Hygienic requirements of microclimate for heating classroom in middle and elementary school

Available languages: English, Chinese

Available design: electronic design (pdf), Print design