Invention Grant
- Patent Title: Acoustic combining system
- Patent Title (中): 声学组合系统
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Application No.: US32001728Application Date: 1928-11-17
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Publication No.: US1874865APublication Date: 1932-08-30
- Inventor: BEVERAGE HAROLD H
- Applicant: RCA CORP
- Assignee: RCA Corp
- Current Assignee: RCA Corp
- Priority: US32001728 1928-11-17
- Main IPC: H04B7/08
- IPC: H04B7/08
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