Invention Grant
- Patent Title: Multiple drilling machine
- Patent Title (中): 多台钻床
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Application No.: US53969444Application Date: 1944-06-10
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Publication No.: US2381039APublication Date: 1945-08-07
- Inventor: CHURCHILL IVAN F
- Applicant: CHURCHILL IVAN F
- Assignee: Ivan F Churchill
- Current Assignee: Ivan F Churchill
- Priority: US53969444 1944-06-10
- Main IPC: B23Q39/04
- IPC: B23Q39/04
Information query
