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File name:TIANCHENG STEEL TUBE Cold drawing workshop
Category:Technology Video Download
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Published:2013-06-14 03:04:19
Update:2013-06-14 03:26:56
Summary:TIANCHENG STEEL TUBE Cold drawing workshop


TIANCHENG STEEL TUBE Cold drawing workshop

http://www.youtube.com/watch?v=_7v5WOPRkus

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