,申请号JP19720019389U-传众专利搜索

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发明名称
摘要
申请公布号	JPS528437(Y2)	申请公布日期	1977.02.22
申请号	JP19720019389U	申请日期	1972.02.18
申请人		发明人
分类号	H04R9/06;H04R1/00;H04R1/02;H04R7/18;(IPC1-7):H04R9/06	主分类号	H04R9/06
代理机构		代理人
主权项
地址

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