Russian standards PDF

Moulding sands, moulding and core sand mixtures. Method for determination of moisture content

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Moulding and core sand mixtures. Method for determination of compressive strength limit at high temperatures

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Moulding and core sand mixtures. Method for determination of friability

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Fluoroplastic sealing devices with corrugated springs for pistons. Seal housings. Constriction and dimensions

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Fluoroplastic sealing devices with corrugated springs for pistons. Fluoroplastic rings. Construction and dimensions

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Bronze fire-resistance. Method for the determination of cobalt

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