,申请号JP19710007178U-传众专利搜索

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发明名称
摘要
申请公布号	JPS5223008(Y2)	申请公布日期	1977.05.26
申请号	JP19710007178U	申请日期	1971.02.11
申请人		发明人
分类号	H04R19/00;(IPC1-7):H04R19/00	主分类号	H04R19/00
代理机构		代理人
主权项
地址

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