Russian standards PDF
Lead-antimony alloys. General requirements for methods of chemical analysis
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Antimonous lead alloys. Method for the determination of tin
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Antimonous lead alloys. Spectral method for determination of sodium, calcium and magnesium
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Lead-antimony alloys. Methods for the determination of antimony
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Lead-antimony alloys. Methods for the determination of iron
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Cold-heading, one-position, double blow automatic machines with a closed die. Parameters and dimensions. Norms of precision
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