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US Patent: 1,474,679
Hand drill provided with a speed-changing device
Patentee:
Victor Gustave Lutz (exact or similar names) - Paris, France

USPTO Classifications:
81/34

Tool Categories:
woodworking tools : hand drills

Assignees:
None

Manufacturer:
Unknown

Witnesses:
C. Coutal
Maurice Roux
Patent Dates:
Applied: Aug. 29, 1921
Granted: Nov. 20, 1923

Patent Pictures: [ 1 | 2 | 3 | 4 | 5 ]
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