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发明名称
摘要
申请公布号	JPS5222263(Y2)	申请公布日期	1977.05.21
申请号	JP19720110014U	申请日期	1972.09.20
申请人		发明人
分类号	H04R7/04;H04R1/10;H04R19/00;H04R19/02;(IPC1-7):H04R19/02	主分类号	H04R7/04
代理机构		代理人
主权项
地址

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