DOOR DRILLING APPARATUS
United States Patent 3513729
US Patent References:
Lock installation tool
- - 2763299


Inventors:
Mayo, George L.
Publication Date:
05/26/1970
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Assignee:
CLARY CORP
Primary Class:
408/111
Other Classes:
144/2.100, 144/27
International Classes:
B27F5/12; B27F5/00; B23B49/00; B23B41/00; B27M3/00




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