Pipeline fittings and parts. Nominal, test, and operating pressures. Series
Арматура и детали трубопроводов. Давления условные пробные и рабочие. Ряды. |
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MISC GKINP 02-033-82Gkinp 02-033-82 Guidelines for Topographic Surveys |
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SanPiN 01-23-92Sanitary Norms of 01-23-92 Health Regulations … |
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KKLD 21/05-46Safe Computer Work |