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发明名称
摘要
申请公布号	JPS565429(Y2)	申请公布日期	1981.02.05
申请号	JP19750127378U	申请日期	1975.09.18
申请人		发明人
分类号	H04R1/44;G01S3/80;G01S3/801;G01S7/52;(IPC1-7):H04R1/44	主分类号	H04R1/44
代理机构		代理人
主权项
地址

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