Title:
Boring tool and holder
United States Patent 1886177

Inventors:
Emil, Gairing
Publication Date:
11/01/1932
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Assignee:
GAIRING TOOL COMPANY
Primary Class:
279/79
Other Classes:
279/76, 411/357, 411/316, 279/93, 411/516
International Classes:
B23B31/113; B23B51/10; B23B31/10