Title:
Method and tool for lapping or honing
United States Patent 1828074

Inventors:
Roebbel, Frederick W.
Rogers, Harry E.
Publication Date:
10/20/1931
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Assignee:
Roebbel, Frederick W.
Rogers, Harry E.
Primary Class:
451/472
International Classes:
B24B33/08; B24B33/00