Russian standards
Rubber pressure hoses with textile reinforcement. Parameters and dimensions
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Basic norms of interchangeability. Metric taper screw thread
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Alloys and foundry alloys of rare metals. Method for the determination of tantalum
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Alloys and foundry alloys of rare metals. Method for determination of hafnium
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Alloys and foundry alloys of rare metals. Method for determination of yttrium
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