,申请号JP19740069472-传众专利搜索

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发明名称
摘要
申请公布号	JPS50161203(A)	申请公布日期	1975.12.27
申请号	JP19740069472	申请日期	1974.06.18
申请人		发明人
分类号	H04H20/89;H04R5/04;H04S3/02	主分类号	H04H20/89
代理机构		代理人
主权项
地址

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