SS 3060 Ed. 1 (1983)被替代
Fittings For Piping - Check Valves For Pn 16 - Angle Globe Valves Of Spheroidal Graphite Iron With Flanged Ends, Spring-loaded Disk And Sealing Surfaces Of Cu-alloy Resistant To Sea Water
出版：Standardiserings-Kommissionen I Sverige
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