Auto circuit for drive-in theaters,申请号US19490119608-传众专利搜索

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法人/股东/高管

发明名称	Auto circuit for drive-in theaters
摘要
申请公布号	US2619544(A)	申请公布日期	1952.11.25
申请号	US19490119608	申请日期	1949.10.05
申请人	SATTERFIELD RICHARD A	发明人	SATTERFIELD RICHARD A.
分类号	H04R27/00	主分类号	H04R27/00
代理机构		代理人
主权项
地址

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