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ASTM A312 UNS S31254 Pipa Baja Tahan Karat Dupleks Mulus2023-10-10 09:46:37 |
ASTM A789 Duplex Stainless Steel Seamless Pipe UNS32205 Minyak Gas Kimia Laut2023-10-09 11:27:54 |
ASTM A790 S31803 PIPA Stainless Steel DUPLEX Ketahanan Korosi Tinggi Las Mulus2023-08-25 17:02:33 |