An improvement in or relating to twist drills

IL42761A0Inactive Publication Date: 1973-10-25OSBORN MUSHET TOOLS
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Patent Information

Application Number
IL42761
Authority / Receiving Office
IL · IL
Patent Type
Applications
Current Assignee / Owner
Priority Date
1972-07-21
Filing Date
1973-07-17
Publication Date
1973-10-25
Estimated Expiration
Not applicable · inactive patent
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