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Class Information
Number: 29/DIG.7
Name: Metal working > Method or apparatus with cleaning

Patents under this class:

Patent Number Title Of Patent Date Issued
6178610 Method of and apparatus for removing burrs from metal work-piece Jan. 30, 2001
6065202 Steam generator top of tube bundle deposit removal apparatus May. 23, 2000
5626674 High pressure water jet apparatus for preparing low density metallic surface for application of a coating material May. 6, 1997
5531882 Procedure for cleaning the anodes of electrolytic tanks Jul. 2, 1996

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