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Class Information
Number: 29/DIG.91
Name: Metal working > Plural discharge openings

Patents under this class:

Patent Number Title Of Patent Date Issued
4929130 Grinding wheel guard apparatus May. 29, 1990
4798505 Process and apparatus for removal of dust and chip material at the machining station of a machine tool Jan. 17, 1989
4778315 Chip removal and tool lubricating device and method Oct. 18, 1988
4523360 Piece-holder table revolving intermittently in machine tools Jun. 18, 1985

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