PHASE SHIFT CIRCUITS,申请号USD3597639-传众专利搜索

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发明名称	PHASE SHIFT CIRCUITS
摘要
申请公布号	US3597639(A)	申请公布日期	1971.08.03
申请号	USD3597639	申请日期	1969.12.11
申请人	RCA CORP.	发明人	LEOPOLD ALBERT HARWOOD
分类号	H04N9/45;H04N9/64;(IPC1-7):H03K1/12	主分类号	H04N9/45
代理机构		代理人
主权项
地址

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