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US Patent: 2,857,793
Torque-Limiting Tool Holder for Machine Tools
Patentee:
Lucien Pèras (exact or similar names) - Billancourt, Île-de-France Region, Hauts-de-Seine Department France

USPTO Classifications:
173/216, 464/36, 470/103, 81/474

Tool Categories:
metalworking machines : drilling and boring : drilling and boring tool holders

Assignees:
Regle National des Usines Renault - Billancourt, Île-de-France Region, Hauts-de-Seine Department France

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jun. 01, 1956
Granted: Oct. 28, 1958

Patent Pictures:
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