VERTICAL HOLE DRILLING MACHINE,申请号JP19850042825-传众专利搜索

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发明名称	VERTICAL HOLE DRILLING MACHINE
摘要
申请公布号	JPS61204494(A)	申请公布日期	1986.09.10
申请号	JP19850042825	申请日期	1985.03.06
申请人	HITACHI CONSTR MACH CO LTD	发明人	HIRANO NOBUTAKA
分类号	E21B11/00	主分类号	E21B11/00
代理机构		代理人
主权项
地址

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