,申请号JP19770125714-传众专利搜索

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发明名称
摘要
申请公布号	JPS618502(B2)	申请公布日期	1986.03.14
申请号	JP19770125714	申请日期	1977.10.21
申请人	HITACHI LTD	发明人	MAEJIMA HIROSHI
分类号	G11B20/10;G11B5/09	主分类号	G11B20/10
代理机构		代理人
主权项
地址

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