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ASTM A234 WPB LR MONTAGGIO DI GOMITO DA 45,90 GRADI BW B16.9, PITTURA NERA2023-02-09 14:54:56 |
Montaggio di ASTM B622 Hastelloy B3/UNS N10675 B16.9 Lap Joint Stub End Pipe2023-01-08 21:52:02 |