Russian standards

Threaded pipeline connections. Joint washers for radial mounting. Construction

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Screwed tube connections. Strengthening bushings. Construction and dimensions

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Moulding and core sands. Methods of sampling and sample preparation

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Moulding sand mixtures. Method for determination of compactability and bulk density

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Moulding sand mixtures. Method for determination of flowability under static load

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Moulding sands and sand mixtures. Method for determination of clayey component

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