Russian standards PDF
Pipe-line valves with protective coating. Main parameters
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Rolled-welded aluminium sheet billets for heat-exchangers. Specifications
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Basic norms of interchangeability. Butters thread. Tolerances
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Broaches with diameter 12 and 14 mm for slitting holes with involute profile and centering at outside diameter with module 1 mm double driven. Construction and dimensions
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Plastics. Resins in the liquid state or as emulsions or dispersions. Determination of apparent viscosity by the Brookfield method
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