Invention Grant
- Patent Title: Telephone subscriber sets
- Patent Title (中): 电话用户组
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Application No.: US28213252Application Date: 1952-04-14
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Publication No.: US2775649APublication Date: 1956-12-25
- Inventor: CROSSTHWAITE POCOCK LYNDALL , CRISP BEADLE ANTHONY
- Applicant: INT STANDARD ELECTRIC CORP
- Assignee: Int Standard Electric Corp
- Current Assignee: Int Standard Electric Corp
- Priority: GB308152X 1951-04-26; GB2775649X 1951-04-18
- Main IPC: H04M1/76
- IPC: H04M1/76
Information query
