
Butterfly Valves / Product 2447
D63、D963、D663、D363(H、Y、F)-PN6、10、16、25
D63, D963 three eccentric multi-level butt welding butterfly valves
D63、D963、D663、D363(H、Y、F)-PN6、10、16、25 三偏心多层次对焊式蝶阀
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