GB - Chinese national standards

Rivet shank diameters

Available languages: English, Chinese

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Hexagon nuts for fine mechanics

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Examination methods for public places—Part 1: Physical indicators

Available languages: English, Chinese

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Examination methods for public places—Part 2Chemical indicators

Available languages: English, Chinese

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Examination methods for public places—Part 3Airborne microorganism indicators

Available languages: English, Chinese

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Examination methods for public places—Part 4:Microorganism indicators on a surface of public articles

Available languages: English, Chinese

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Examination methods for public places—Part 5Central air conditioning and ventilation systems

Available languages: English, Chinese

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Examination methods for public places—Part 6: Technical specifications of health monitoring

Available languages: English, Chinese

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Comprehensive appraisement for health in schools

Available languages: English, Chinese

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Requirement of health education in primary and middle school

Available languages: English, Chinese

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