Invention Grant
- Patent Title: Locomotive-feed-water heater.
- Patent Title (中): 机车供水加热器
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Application No.: US1912724694Application Date: 1912-10-09
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Publication No.: US1050451APublication Date: 1913-01-14
- Inventor: GILROY FRANK J
- Applicant: GILROY FRANK J
- Assignee: Frank J Gilroy
- Current Assignee: Frank J Gilroy
- Priority: US1912724694 1912-10-09
Information query
