Invention Grant
- Patent Title: Hub concentration group telegraph repeater
- Patent Title (中): 集线器集中电报中继器
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Application No.: US35134553Application Date: 1953-04-27
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Publication No.: US2690476APublication Date: 1954-09-28
- Inventor: REA WILTON T
- Applicant: BELL TELEPHONE LABOR INC
- Assignee: Nokia Bell Labs
- Current Assignee: Nokia Bell Labs
- Priority: US35134553 1953-04-27
- Main IPC: H04L12/00
- IPC: H04L12/00 ; H04L25/04
Information query
