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Steam and hot-water stationary boilers, heat recovery steam generators. Receiving inspection of incoming base materials and parts
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Explosionproof electrical apparatus. Type of protection 'e'. Technical requirements and methods of testing
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Switching surges from protective systems. Switching surges protection devices of coal mines underground electrical networks. Specifications and test methods
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Three-phase asynchronous squirrel-cage submersible electric motors series PED. Specifications
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Explosive atmospheres. Part 5. Equipment protection by powder filling 'q'
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