METHOD AND APPARATUS FOR BORING,申请号JP19940064529-传众专利搜索

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发明名称	METHOD AND APPARATUS FOR BORING
摘要
申请公布号	JPH07247778(A)	申请公布日期	1995.09.26
申请号	JP19940064529	申请日期	1994.03.08
申请人	NISHIJIMA MITSUO;KOJIMA KIKU	发明人	NISHIJIMA MITSUO;KOJIMA KIKU
分类号	E21B3/00;E21B7/00;(IPC1-7):E21B3/00	主分类号	E21B3/00
代理机构		代理人
主权项
地址

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