Invention Grant
USB300004I5
失效
- Patent Title:
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Application No.: US30000472Application Date: 1972-10-24
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Publication No.: USB300004I5Publication Date: 1975-01-28
- Inventor: PUTMAN RICHARD E
- Applicant: WESTINGHOUSE ELECTRIC CORP
- Priority: US7755170 1970-10-02; US30000472 1972-10-24
- Main IPC: D21C9/10
- IPC: D21C9/10
Information query
