,申请号JP19730085890U-传众专利搜索

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发明名称
摘要
申请公布号	JPS5222244(Y2)	申请公布日期	1977.05.21
申请号	JP19730085890U	申请日期	1973.07.18
申请人		发明人
分类号	H04R1/00;F16B43/00;G11B33/02;G11B33/08;H04B1/08;H04N5/64;H05K5/02;(IPC1-7):G11B1/00	主分类号	H04R1/00
代理机构		代理人
主权项
地址

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