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USSR STATE STANDARDw.ee.e.ee.no.u.ue..e.n.e...e.ne..e.e.e.e..e.uSEAMLESS COLD AND WARM-DEFORMEDTUBESMADE FROM CORROSION-RESISTANT STEELSPECIFICATIONSG0ST9941-81Official EditionUSSR STATE COMMITTEE FOR PRODUCTQUALITY MANAGEMENT AND STANDARDSMoscow
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