GB - Chinese national standards

Determination of mineral sulfate content in detergents--Gravimetric method

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Determination of mineral sulfate content in detergents—Gravimetric method

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Test method for biodegradability of surfactants

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Polyethylene (PE) pipes for irrigation laterals - Susceptibility to envionmental stress cracking induced by insert-type fittings - Test method and specification

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Test of resistance to pull out ofjoints between polyethylene (PE) pressure pipes and fittings

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Metallic coatings—Methods of measurement of ductility

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Non-destructive testing—Magnetic particle testing—Part 1General principles

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Non-destructive testing—Magnetic particle testing—Part 2Detection media

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Non-destructive testing—Magnetic particle testing—Part 3Equipment

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Non-destructive testing - Test methods for helium leak testing

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