Pipeline fittings and parts. Nominal, test, and operating pressures. Series
Арматура и детали трубопроводов. Давления условные пробные и рабочие. Ряды. |
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GOST 21105-87Non-destructive testing. Magnetic powder method |
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SP 118.13330.2012Public Buildings and Works Updated Version of … |
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GOST R 52644-2006High-strength hexagonal bolts with increased … |