,申请号JP19690039971U-传众专利搜索

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发明名称
摘要
申请公布号	JPS471554(Y1)	申请公布日期	1972.01.20
申请号	JP19690039971U	申请日期	1969.05.02
申请人		发明人
分类号	(IPC1-7):G11B5/56;G11B5/58;G11B21/20	主分类号	(IPC1-7):G11B5/56
代理机构		代理人
主权项
地址

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