Russian standards PDF
Copolymer BA-15 vinyl chloride and vinyl acetate. Specifications
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Single rotor crusher for medium and small grinding. Specifications
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Reprography. Micrography. Jackets. General specifications
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Reprography. Micrography. Photo-thermoplastic films. General technical conditions
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Buttress thread, strengthened 45 for diameters from 80 to 2000 mm. Profile, basic dimensions, tolerances
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Means of computing technique. Keyboards. Layout of keys and characters, functions of function keys
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