,申请号JP19760071831U-传众专利搜索

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发明名称
摘要
申请公布号	JPS52162138(U)	申请公布日期	1977.12.08
申请号	JP19760071831U	申请日期	1976.06.02
申请人		发明人
分类号	H04R9/02;H04R7/00;H04R7/12;H04R9/06;(IPC1-7):H04R9/02	主分类号	H04R9/02
代理机构		代理人
主权项
地址

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