,申请号JP19780016245-传众专利搜索

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发明名称
摘要
申请公布号	JPS5710638(B2)	申请公布日期	1982.02.27
申请号	JP19780016245	申请日期	1978.02.15
申请人		发明人
分类号	H04R31/00;D21J7/00;H04R7/02	主分类号	H04R31/00
代理机构		代理人
主权项
地址

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