Invention Grant
- Patent Title: Quick grip chuck
- Patent Title (中): 快速夹头卡盘
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Application No.: US60182145Application Date: 1945-06-27
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Publication No.: US2476874APublication Date: 1949-07-19
- Inventor: JOHANNES JOHANSSON ERIK
- Applicant: JOHANNES JOHANSSON ERIK
- Assignee: Johansson Erik Johannes
- Current Assignee: Johansson Erik Johannes
- Priority: SE2476874X 1944-06-27
- Main IPC: B23B31/20
- IPC: B23B31/20
Information query
