GB - Chinese national standards

Safety regulation for metal and nonmetal mines

Available languages: English, Chinese

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Determination for minimum explosive concentration of dust clouds

Available languages: English, Chinese

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Risk assessment and characteristic parameter determination methods of combustible dust explosion

Available languages: English, Chinese

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Determination for maximumexplosion pressure and maximum rate of pressure rise of dust cloud

Available languages: English, Chinese

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Determination for electrical resistivity of dust layers

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Determination for the minimum ignition energy of dust cloud

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Determination of the minimum ignition temperature of dust cloud

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Determination of the minimum ignition temperature of dust layer

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

China braille musical signs

Available languages: English, Chinese

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Assistive products for persons with disability—Classification and terminology

Available languages: English, Chinese

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