Invention Grant
- Patent Title: Gear-cutting apparatus.
- Patent Title (中): 齿轮切割装置。
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Application No.: US1907350741Application Date: 1907-01-04
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Publication No.: US892442APublication Date: 1908-07-07
- Inventor: MILL JOHAN FREDERICH A
- Applicant: MAUD ESTELLA MILL , MILL JOHAN FREDERICH A
- Assignee: Maud Estella Mill,Johan Frederich A Mill
- Current Assignee: Maud Estella Mill,Johan Frederich A Mill
- Priority: US1907350741 1907-01-04
Information query
