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1.lap joint flanges
2.materials:carbon steels,stainless steels,ect.
3.standards:ANSI, API, DIN, AWWA, MSS, JIS, BS, UNI, EN.

1.lap joint flanges
2.materials:carbon steels,stainless steels,ect.
3.standards:ANSI, API, DIN, AWWA, MSS, JIS, BS, UNI, EN.



