Electrical products. General requirements for resistance to environmental climate factors
Изделия электротехнические. Общие требования в части стойкости к климатическим внешним воздействующим факторам |
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SNiP II-3-79 AmendmentOn the Adoption of Amendment No. 4 to … |
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GOST 9466-75Coated metal electrodes for manual arc welding … |
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GOST 9493-80Containers and process vessels. Rated (nominal) … |