PREDICTION/DETECTION DEVICE FOR FRACTURE OF DRILL,申请号JP19880181837-传众专利搜索

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发明名称	PREDICTION/DETECTION DEVICE FOR FRACTURE OF DRILL
摘要
申请公布号	JPH0236051(A)	申请公布日期	1990.02.06
申请号	JP19880181837	申请日期	1988.07.22
申请人	HITACHI SEIKO LTD	发明人	NAGASAWA KATSUHIRO;KANETANI YASUHIKO;MICHIGAMI NORIO
分类号	B23Q17/09	主分类号	B23Q17/09
代理机构		代理人
主权项
地址

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