GB - Chinese national standards

Metallic coating--Cd-Ti plating of low hydrogan embrittlement

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Optical drawings

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Terminology of heat treatment equipment

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Earth-moving machineryHydraulic excavatorsLift capacity

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Earth-moving machinery - Hydraulic excavators and backhoe loaders - Methods of determining tool forces

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Concrete pump

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Adjusting test chart for copying machine A3

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The series model of hydrometrical instruments

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Stationary lead-acid batteries - Vented types - Part 1: Technical conditions

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Stationary lead-acid batteries - Vented types - Part 2: Capacity specifications and size

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