Invention Grant
- Patent Title: Selector switching system
- Patent Title (中): 选择开关系统
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Application No.: US72635747Application Date: 1947-02-04
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Publication No.: US2553553APublication Date: 1951-05-22
- Inventor: DEN HERTOG MARTINUS
- Applicant: INT STANDARD ELECTRIC CORP
- Assignee: Int Standard Electric Corp
- Current Assignee: Int Standard Electric Corp
- Priority: NL2553553X 1942-09-07
- Main IPC: H04Q1/18
- IPC: H04Q1/18
Information query
