GB - Chinese national standards

Nanotechnologies—Structural characterization of graphene—Part 1:Graphene from powders and dispersions

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Specificationof antenna (including feed network) and servo system used in domestic satellitecommunication earth stations

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Classification and code for economic categories

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Names and codes for the officials positions

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Coding for subordination of organization

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Coding for kind of increase or decrease number of workers in an organization

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Codes for the representation of currencies

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Codes for positions classes

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Codes for social moonlights

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Geographic grid

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