LOW FREQUENCY TELEVISION SYSTEM,申请号USD3518376-传众专利搜索

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发明名称	LOW FREQUENCY TELEVISION SYSTEM
摘要
申请公布号	US3518376(A)	申请公布日期	1970.06.30
申请号	USD3518376	申请日期	1966.06.02
申请人	EDUCASTING SYSTEMS INC.	发明人	IRA KAMEN;HAROLD R. WALKER
分类号	H04N7/06;(IPC1-7):H04J1/00	主分类号	H04N7/06
代理机构		代理人
主权项
地址

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