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发明名称
摘要
申请公布号	JPS57115788(U)	申请公布日期	1982.07.17
申请号	JP19810001321U	申请日期	1981.01.10
申请人		发明人
分类号	H04R1/06;H04R1/02;H04R3/12;(IPC1-7):H04R3/12	主分类号	H04R1/06
代理机构		代理人
主权项
地址

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