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发明名称
摘要
申请公布号	JPS49100529(U)	申请公布日期	1974.08.29
申请号	JP19720145780U	申请日期	1972.12.19
申请人		发明人
分类号	H04R1/26;(IPC1-7):H04R1/26	主分类号	H04R1/26
代理机构		代理人
主权项
地址

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