Russian standards PDF

Plant sheep wool. Specifications

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White fox skins undressed. Specifications

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Silk and semi-silk fabrics and piece-goods. Norms of colour resistance and methods for its determination

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Hexagon bolts with reduced head, product grade A. Construction and dimensions

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Hexagon reduced head bolts with guide neck, product grade A. Construction and dimensions

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Wooden sleepers for full gauge railways. Specifications

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