Invention Grant
- Patent Title: Weighted scraper
- Patent Title (中): 加重刮刀
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Application No.: US29199419Application Date: 1919-04-22
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Publication No.: US1473546APublication Date: 1923-11-06
- Inventor: WILLIAM EIERMANN
- Applicant: WILLIAM EIERMANN
- Assignee: Eiermann William
- Current Assignee: Eiermann William
- Priority: US29199419 1919-04-22
- Main IPC: B23D79/06
- IPC: B23D79/06
Information query
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