GB - Chinese national standards

Metallic materials—Leeb hardness test—Part 2: Verification and calibration of hardness testers

Available languages: English, Chinese

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Metallic materials—Leeb hardness test—Part 3: Calibration of reference test blocks

Available languages: English, Chinese

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Dimensions, shapes, masses and tolerances of steel tubes

Available languages: English, Chinese

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Seamless hot-rolled steel tubes for hydraulic pillar service

Available languages: English, Chinese

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Regulations for dust and poison control of aluminium electrowinning

Available languages: English, Chinese

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Code of dust and poison control for lead smelting

Available languages: English, Chinese

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Hygienic standard for chewing gum

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Industrial-process measurement, control and automation—Smart manufacturing—Part 1: Terms and definitions

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Industrial-process measurement, control and automation—Smart manufacturing—Part 3Challenges for cybersecurity

Available languages: English, Chinese

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Determination of resistance to heat and humidity of paint films

Available languages: English, Chinese

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