Invention Grant
- Patent Title: Random service scanning system
- Patent Title (中): 随机服务扫描系统
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Application No.: US55594755Application Date: 1955-12-28
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Publication No.: US2853555APublication Date: 1958-09-23
- Inventor: ABBOTT JR GEORGE F , JOEL JR AMOS E
- Applicant: BELL TELEPHONE LABOR INC
- Assignee: Nokia Bell Labs
- Current Assignee: Nokia Bell Labs
- Priority: US55594755 1955-12-28; US55591655 1955-12-28
- Main IPC: H04M15/08
- IPC: H04M15/08 ; H04Q3/00 ; H04Q3/58
Information query
