GB - Chinese national standards

Corrosion of metals and alloys—Corrosivity of atmospheres—Part 4: Determination of corrosion rate of standard specimens for the evaluation of corrosivity

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Specification for technological design of aerial photography

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National Food Safety Standard - Quick-frozen noodles and prepared foods

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National Food Safety Standard -- Bottled water for drinking

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Hygienic standard for jellies

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General purpose metric screw threads--Generalplan

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End-to-End transmission requirements for space-based remote sensing instantaneous services

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National Food Safety Standard -- Roasted nuts

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National food safety standard Raw milk

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