
Fittings For Piping - Stop-check Valves For Pn 16 And Pn 10 - Straight Globe Valves Of Cast Iron With Flanged Ends, Spring-loaded Disk, Rising Stem And Sealing Surfaces Of Stainless Steel
出版:Standardiserings-Kommissionen I Sverige

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Fittings For Piping - Stop-check Valves For Pn 16 And Pn 10 - Straight Globe Valves Of Cast Iron With Flanged Ends, Spring-loaded Disk, Rising Stem And Sealing Surfaces Of Stainless Steel
出版:Standardiserings-Kommissionen I Sverige
專家解讀視頻