System for sound reproducing apparatus,申请号US19360083950-传众专利搜索

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发明名称	System for sound reproducing apparatus
摘要
申请公布号	US2110358(A)	申请公布日期	1938.03.08
申请号	US19360083950	申请日期	1936.06.06
申请人	ELECTRO-ACOUSTIC PRODUCTS COMPANY	发明人	DREISBACH ROBERT H.
分类号	H04R3/12	主分类号	H04R3/12
代理机构		代理人
主权项
地址

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