Bolts, studs, nuts, and washers for flanged connections. Technical requirements.
Болты, шпильки, гайки и шайбы для фланцевых соединений. Технические требования. |
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NPB 248-97Electrical Cables and Wires. Factors of Fire … |
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Rosstat 1-24-6483Procedure for Registration of Legal Entities |
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NPB 159-97Fire Fighting Hardware. Fire Fighting Monitor |