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US Patent: 206,920
Screw Cutting Stock and Tool
Patentee:
Edmond Pierre Baville (exact or similar names) - Paris, France

USPTO Classifications:
408/184, 408/188, 408/203

Tool Categories:
metalworking tools : tap and die holders

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: May 09, 1878
Granted: Aug. 13, 1878

Patent Pictures:
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