Russian standards PDF
Stocks and semifinished products of non-ferrous metals and alloys. Terms and definitions
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Photosensitive charge transfer devices. Terms and definitions
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Gauges for trapezoidal thread connections for tubing pipes with couplings. Types, basic dimensions and tolerances
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Birds poultry, synanthropor, game and exotic. Methods of avian influenza laboratory diagnostics
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Agricultural poultry. Methods of laboratory diagnostics of infections laringotracheitis
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Sintered hardmetals. Methods for the determination of total carbon
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