GB - Chinese national standards

Specification of lunar and planetary data products format

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Lunar information metadata

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Limits and determination of lead, cadmium, mercury, arsenic and hexavalent chromium in glass fiber

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Plastics--Homopolymer and copolymer resins of vinyl chloeride for general use--Determination of plasticizer absorption at room temperature

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China shipbuilding quality standard

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China shipbuilding quality standard

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China ship repairing quality standard

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China ship repairing quality standard

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Microbeam analysis—Analytical transmission electron microscopy—Methods for calibrating image magnification by using reference materials having periodic structures

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Detection method of impurity elements in boron nitride

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