Russian standards PDF
Image intensifier and image converter tubes. Common rules of measuring electrical, viewing and optical parameters
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Ring stamped cable terminals, with open tail, attached to conductor core. Construction and sizes
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Studs with threaded end of 1,25d (higher accuracy). Construction and dimensions
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Dental rotary instruments. Part 2. Steel and carbide finishing burs
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Centrifugal and suction pumps for handling water. Basic parameters and dimensions. Safety requirements. Control methods
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