SLIME REMOVAL OF BORING HOLE AND WASHING DEVICE FOR HOLE-WALL,申请号JP19900304034-传众专利搜索

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发明名称	SLIME REMOVAL OF BORING HOLE AND WASHING DEVICE FOR HOLE-WALL
摘要
申请公布号	JPH04179792(A)	申请公布日期	1992.06.26
申请号	JP19900304034	申请日期	1990.11.13
申请人	TAKENAKA KOMUTEN CO LTD;TAKENAKA DOBOKU CO LTD;NITTOC CONSTR CO LTD;RAITO KOGYO CO LTD	发明人	UEDA TAKAO;SUZUKI SHIRO;HASEGAWA YUTAKA;HASHIMOTO AKIRA;MUKAI TORU;SUZUKI KAZUO;YAMAGUCHI MASATSUGU
分类号	E21B12/06;E02D15/06;E21B21/00;E21B21/12	主分类号	E21B12/06
代理机构		代理人
主权项
地址

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