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Class Information
Number: 29/24
Name: Metal working > Type finishing and grooving
Description: Process or apparatus for breaking a "jet" (or "sprue line") from cast printing type, removing irregularities (such as a pin or burr) from printing type, or for grooving printing type.










Patents under this class:

Patent Number Title Of Patent Date Issued
4397085 Method of manufacture of a multi-wire nonimpact printhead Aug. 9, 1983











 
 
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