Russian standards PDF

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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Plastics. Testing methods. General requirements of the methods of mechanical testing

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Witrous vitriol. Specification

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Heavy-duty taper shank end mills. Specifications

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Needle files. Technical conditions

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