Russian standards PDF
Sockets and plugs, single-pole. Basic parameters and dimensions. General technical requirements
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Electrical igniter systems of aircraft gas-turbine engines. Terms and definitions
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Beet seeds. Methods for determinations of 1000 seed mass and one sowing unit
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Gauges for connections of drill pipes with stabilizing collars and tool-joints. Basic dimensions and tolerances. Technical requirements
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Rare metals and their alloys. Method for the determination of oxygen
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