METHOD OF BACKFILLING PILOT PIPE EXCAVATED TRACE,申请号JP19850082004-传众专利搜索

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发明名称	METHOD OF BACKFILLING PILOT PIPE EXCAVATED TRACE
摘要
申请公布号	JPS61242299(A)	申请公布日期	1986.10.28
申请号	JP19850082004	申请日期	1985.04.17
申请人	TOKYU CONSTR CO LTD;KOKEN SHISUI KOGYO KK	发明人	HARA KOICHI;OAMI YUKIO;TAKASU MOTOYUKI;HANADA MASANORI;TAKEUCHI HISAO
分类号	E21D9/093;E21D9/06;E21D9/08	主分类号	E21D9/093
代理机构		代理人
主权项
地址

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