Invention Grant
- Patent Title: Prepayment time-switch apparatus.
- Patent Title (中): PREPAYMENT TIME-SWITCH APPARATUS。
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Application No.: US1905266549Application Date: 1905-06-23
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Publication No.: US849024APublication Date: 1907-04-02
- Inventor: SCHATTNER ERNEST
- Applicant: GEN ELECTRIC
- Assignee: Gen Electric
- Current Assignee: Gen Electric
- Priority: US1905266549 1905-06-23
Information query
