DRILLING MACHINE AND METHOD FOR DRILLING TUNNEL IN THE GROUND DIRECTLY UNDER OBSTRUCTION,申请号JP19880309423-传众专利搜索

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发明名称	DRILLING MACHINE AND METHOD FOR DRILLING TUNNEL IN THE GROUND DIRECTLY UNDER OBSTRUCTION
摘要
申请公布号	JPH02157394(A)	申请公布日期	1990.06.18
申请号	JP19880309423	申请日期	1988.12.07
申请人	KINKI NIPPON TETSUDO KK;KAJIMA CORP;FUJITA YUKI SERVICE:KK	发明人	YONEZAWA YASUO;SENDA TETSUO;NONAKA SHINICHIRO;FUJITA TADAO
分类号	E21D9/04	主分类号	E21D9/04
代理机构		代理人
主权项
地址

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