The thermal conductivity of large flanges is determined
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Oct. 22,2016Contact:Mr. Ding
Mob:13315757111
QQ:253600714
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Pipe fittings phone:86-317-6866077 86-317-7603588
Flange phone:86-317-6866077
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Add:Hope lndustrial District,Mengcun Hui Autonomous County, Hebei province,China
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