EXCAVATION METHOD IN SPRING WATER LAYER,申请号JP19870282039-传众专利搜索

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发明名称	EXCAVATION METHOD IN SPRING WATER LAYER
摘要
申请公布号	JPH01125493(A)	申请公布日期	1989.05.17
申请号	JP19870282039	申请日期	1987.11.10
申请人	TOKYU CONSTR CO LTD	发明人	TAKASU MOTOYUKI;HARA KOICHI;FUKUDA SUMIO
分类号	E21D9/08;E21D9/06	主分类号	E21D9/08
代理机构		代理人
主权项
地址

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