Invention Grant
- Patent Title: Control of railway apparatus.
- Patent Title (中): 铁路装备控制。
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Application No.: US1908443841Application Date: 1908-07-16
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Publication No.: US919573APublication Date: 1909-04-27
- Inventor: HAWKINS LAURENCE A
- Applicant: GEN ELECTRIC
- Assignee: Gen Electric
- Current Assignee: Gen Electric
- Priority: US1908443841 1908-07-16
Information query
