Invention Grant
- Patent Title: Boiler-timing device.
- Patent Title (中): 锅炉定时装置。
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Application No.: US1911659025Application Date: 1911-11-07
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Publication No.: US1038495APublication Date: 1912-09-10
- Inventor: WOOD FRANK W
- Applicant: WOOD FRANK W
- Assignee: Frank W Wood
- Current Assignee: Frank W Wood
- Priority: US1911659025 1911-11-07
Information query
