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Industries InformationListing Details

ID:20042
Title:Iron roughneck - Patent 6776070
URL:http://www.freepatentsonline.com
Category:Petrochemical Oil & Gas: Iron Roughnecks
Description:Aug 17, 2004 ... An iron roughneck has a pair of upper jaws carrying pipe gripping dies for gripping tool joints. The jaws have recesses formed on each side ...
Pagerank:8
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