Russian standards PDF
End valves and disconnecting valves. General specification
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Braking equipment for railway rolling stock. Terms and definitions
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Natural combustible gas. Determination of methane number
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Connecting devices for low-voltage circuits for household and similar purposes. Part 1. General requirements
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Connecting devices. Flat quick-connect clamps for copper electrical conductors. Safety requirement
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Earth-moving machinery. Engine test code. Net power
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