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发明名称	DRILL
摘要
申请公布号	JPS6487558(A)	申请公布日期	1989.03.31
申请号	JP19870246521	申请日期	1987.09.30
申请人	HITACHI METALS LTD	发明人	INOUE RYOJI
分类号	C04B35/48	主分类号	C04B35/48
代理机构		代理人
主权项
地址

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