GB - Chinese national standards

Methods of evaluation of the battery life of a battery-powered watch

Available languages: English, Chinese

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General specification for LED luminaries of stage

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Available design: electronic design (pdf), Print design

General technical requirements for plastic furniture

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Ductile iron pipes and fittings——Seal coats for cement mortar linings

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Ductile iron pipes and fittings—Seal coats for cement mortar linings

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Technical requirement of energy-saving operation for reheating furnace in steel rolling

Available languages: English, Chinese

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Test method for Fisher number of metal powders and related compounds

Available languages: English, Chinese

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Surface chemical analysis—X-ray photoelectron spectroscopy—Procedures for determining backgrounds

Available languages: English, Chinese

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Test method for long-Term hydrostatic pressure of glass fiber reinforced thermosetting resin pipe and fittings

Available languages: English, Chinese

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Content of dimethyl ether in liquefied petroleum gas by gas chromatography

Available languages: English, Chinese

Available design: electronic design (pdf), Print design