Radio and television survey system,申请号US19560595251-传众专利搜索

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发明名称	Radio and television survey system
摘要
申请公布号	US2896070(A)	申请公布日期	1959.07.21
申请号	US19560595251	申请日期	1956.07.02
申请人	CALBEST ENGINEERING & ELECTRONICS CO.	发明人	FREMONT HERBERT;PARKER HAROLD N.
分类号	H04H60/32	主分类号	H04H60/32
代理机构		代理人
主权项
地址

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