Russian standards PDF
Diamonds and diamond tools. Terms and definitions
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Gauges for buttress strengthened thread. Tolerances
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No-go ball plug gauges with diameter over 100 to 360 mm. Design and dimensions
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Refractory forsterite and forsteritechromite products. Specifications
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Thermoelectric standard 2-class and general industry use thermometers for low temperatures. Methods and means of verification
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Standard weighbridge. Methods and means of verification
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