A method for injecting back-filling material into a space between the outside of double-wall pipes and the ground in the pipe-jacking method,申请号EP19960113215-传众专利搜索

发明名称	A method for injecting back-filling material into a space between the outside of double-wall pipes and the ground in the pipe-jacking method
摘要
申请公布号	EP0750096(B1)	申请公布日期	2000.04.26
申请号	EP19960113215	申请日期	1994.02.22
申请人	TOKYO GAS CO., LTD.;KABUSHIKI KAISHA ISEKIKAIHATSUKOHKI	发明人	HAYASHI, MITSUTOSHI;FUJITA, AKITAKA;NAGASHIMA, SHINGO;KURASHINA, MINORU;KAJIYAMA, MAKOTO;UNO, HIDEKI
分类号	E21B7/20;E21B21/12;E21B33/14;E21D11/10;(IPC1-7):E21D11/10	主分类号	E21B7/20
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