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Low-voltage surge protective devices. Part 12. Surge protective devices connected to low-voltage power distribution systems. Selection and application principles
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Electrically welded steel line-weld tubes. Technical requirements
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Multiple units. General requirements for the ability to use the devices for diagnostics
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Mechanization and automation of manufacturing processes in machine and instrument production. Basic terms, definitions and symbols
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Tin and lead babbits. Method for the determination of arsenic
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