Invention Grant
- Patent Title: Multiple-channel radioreceiver
- Patent Title (中): 多通道收发器
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Application No.: US75527724Application Date: 1924-12-11
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Publication No.: US1709009APublication Date: 1929-04-16
- Inventor: LLOYD ESPENSCHIED , MARTIN DE LOSS K
- Applicant: AMERICAN TELEPHONE & TELEGRAPH
- Assignee: American Telephone & Telegraph
- Current Assignee: American Telephone & Telegraph
- Priority: US75527724 1924-12-11
- Main IPC: H04H20/77
- IPC: H04H20/77
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