DEEP HOLE DRILL,申请号JP19780094728-传众专利搜索

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发明名称	DEEP HOLE DRILL
摘要
申请公布号	JPS5524822(A)	申请公布日期	1980.02.22
申请号	JP19780094728	申请日期	1978.08.02
申请人	KOBE STEEL LTD	发明人	MOTONISHI SUGURU;YAMANA KAZUO;ISODA SHIGEO
分类号	B23B51/02	主分类号	B23B51/02
代理机构		代理人
主权项
地址

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