Invention Grant
- Patent Title: Machine for cutting irregular surfaces.
- Patent Title (中): 切割不规则表面的机器。
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Application No.: US1901055837Application Date: 1901-04-15
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Publication No.: US694386APublication Date: 1902-03-04
- Inventor: JOHNSTON ALLEN
- Applicant: JOHNSTON ALLEN
- Assignee: Allen Johnston
- Current Assignee: Allen Johnston
- Priority: US1901055837 1901-04-15
Information query
