Russian standards PDF
Soft artificial leather. Defects. Terms and definitions
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Measuring means for magnetic quantities. Terms and definitions
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Non-diluted sperm of bulls. Methods of microbiological tests
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Laminated wood plastic type DSP-B-a. Specifications
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Selenium for industrial use. Atom-absorption method for determination of copper, iron, tellurium and plumbum
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Selenium technical. Methods of sulphur determination
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