Invention Grant
- Patent Title: Rotary-converter system.
- Patent Title (中): 旋转转换器系统。
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Application No.: US1899724909Application Date: 1899-07-24
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Publication No.: US756960APublication Date: 1904-04-12
- Inventor: HEWLETT EDWARD M
- Applicant: GEN ELECTRIC
- Assignee: Gen Electric
- Current Assignee: Gen Electric
- Priority: US1899724909 1899-07-24
Information query
