Semiconductor alternating voltage converters. General technical requirements.
Преобразователи переменного напряжения полупроводниковые. Общие технические требования. |
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GOST 25820-83Lightweight concrete. Specifications. |
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Rostrud 51Recovery Cost for Assembly Construction … |
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GOST 12.3.009-76SSBT. Occupational Safety Standards System. … |