,申请号JP19770009513-传众专利搜索

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发明名称
摘要
申请公布号	JPS547575(B2)	申请公布日期	1979.04.07
申请号	JP19770009513	申请日期	1977.01.31
申请人		发明人
分类号	H04R1/30;H04R1/02;H04R1/32	主分类号	H04R1/30
代理机构		代理人
主权项
地址

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