1: Boiler Pipe (ASTM A335 P5, P9, P11, P22, P91, P92 Etc.) Mafotokozedwe Okhazikika a Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service 2: Line Pipe (API 5L Gr.B X42 X65 X06 X6) Etc) Paipi Yopanda Msoko Yogwiritsidwa Ntchito Pamayendedwe Apamwamba Amafuta, Mpweya Ndi Wat...
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