GB - Chinese national standards

Tangential keys and keyways

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Mechanical vibration and shock-Free,Mechanical impedance of the human hand-arm system at the driving point

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The plastics laminated films and bags using for packaging of liquid food

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Available design: electronic design (pdf), Print design

Product of geographical indication - Ningxia lycium

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Water-atomized pure iron powder and alloyed steel powder for powder metallurgy

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Determining of plane-strain crack-arrest fracture toughness,K Ia,for ferritic Steels

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Corrosion tests in artificial atmosphere at very low Concentrations of polluting gas(es)

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Corrosion of metals and alloys—Alternate immersion test in salt solution

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Corrosion of metals and alloys—Determination of bimetallic corrosion in atmospheric exposure corrosion tests

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Metallic materials—Charpy V-notch pendulum impact test—Instrumented test method

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Available design: electronic design (pdf), Print design