METHOD OF CONSTRUCTION OF HIGH-PRECISION HORIZONTAL EXCAVATION,申请号JP19880057378-传众专利搜索

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发明名称	METHOD OF CONSTRUCTION OF HIGH-PRECISION HORIZONTAL EXCAVATION
摘要
申请公布号	JPH01235791(A)	申请公布日期	1989.09.20
申请号	JP19880057378	申请日期	1988.03.12
申请人	CHINETSU GIJUTSU KAIHATSU KK;HAIDOROKAABON TECHNOL INC	发明人	RANDOORU TEII SHIYURUTSU;II BURUUSU DAMURON;DEIBITSUDO ERU DANBAA
分类号	E21C25/60;E21D9/06;E21D9/10	主分类号	E21C25/60
代理机构		代理人
主权项
地址

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