Russian standards PDF
Televisions program carriers - 16mm films. Dimensions and disposition of image fields and sound recording tracks
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Ion exchange membranes. Method for measuring changes in dimensions on swelling
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Carbide tipped parallel machine and cylindrical reamers with cylindrical shank for cultivation details of light alloys. Design
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Triple clamping collars for centrifugal moulds. Construction and dimensions
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Drinking water. Method of determination of selenium mass concentration
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Low-power electronic tubes and valves. Method of measurement of insulation resistance between electrodes and between electrodes and all other elements of tubes and valves
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