Russian standards PDF
System of ensuring of geometrical accuracy in construction. Statistical analysis of accuracy
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Marine navigation and hydrography. Terms and definitions
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Printed circuit boards. Profile cutting. Requirements for type technological processes
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Agricultural machinery. Economic evaluation of multipurpose machines and technological complex
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Rare-earth metals and their oxides. Spectral method of determination of impurities in oxides of rare-earth elements
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Power semiconducting devices. Mounting and overall dimensions
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