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Fittings (accessories) for overhead electrical power lines with a voltage up to 1 kV from self-bearing isolated wires. General specifications
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Safety and control devices for gas burners and gas-burning appliances. Particular requirements. Part 10. Vent valves
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Cylindrical small module gear. Pairs with watch profile. Types, basic parameters and dimensions, tolerances
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Steel pipes for pipelines of petroleum and natural gas industries. General specifications
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