Invention Grant
- Patent Title: Combined inflating and deflating valve
- Patent Title (中): 组合充气和放气阀
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Application No.: US21921827Application Date: 1927-09-13
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Publication No.: US1724063APublication Date: 1929-08-13
- Inventor: ANDERSON MARTIN E
- Applicant: ANDERSON MARTIN E
- Assignee: Martin E Anderson
- Current Assignee: Martin E Anderson
- Priority: US21921827 1927-09-13
- Main IPC: B60C23/00
- IPC: B60C23/00
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