GOST PDF
Countersinks for machining holes diameters from 3 to 80 mm. Hole tolerance
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Milling machines, numerically controlled. Basic parameters and dimensions
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Electroacoustic anti-noise devices for telephone communication systems. Terms and definitions
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Image intensifier and image converter tubes. Method of measuring the angular displacement of the image
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Tin and lead babbits. Method for the determination of antimony
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