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2013-05-27 访问：356 编辑：松杰贸易
Blind Flanges B16.5flange acc. to JIS KS
Weld Neck Flanges B16.5Blank type5
Lap Joint Flanges B16.5Smooth flanges Type1
Blind Flanges B16.5
flange acc. to JIS KS
Weld Neck Flanges B16.5
Blank type5
Lap Joint Flanges B16.5
Smooth flanges Type1