APPARATUS FOR SURFACE-FINISHING METALWORK
United States Patent 3434241

Inventors:
Greenberg, Elmer H.
Greenberg, William B.
Publication Date:
03/25/1969
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Assignee:
William, Greenberg B.
Primary Class:
451/2
Other Classes:
451/88, 451/80
International Classes:
B24C3/06; B24C3/12; B24C3/00; B24C3/00
US Patent References:
3055150Metal-plate-treating method and apparatus
3103767Metal-plate-treating apparatus
3138900Metal-plate-treating apparatus
3192677Abrasive impingement cleaning process
3237351Method for handling grit
3283450Method for surface-finishing metalwork




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