CONCRETE PILE INSTALLATION METHOD IN HOLLOW EXCAVATION METHOD, AND EXCAVATION DEVICE, VENEERING DEVICE AND EXCAVATING BLADE IN HOLLOW EXCAVATION METHOD,申请号JP19930056533-传众专利搜索

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发明名称	CONCRETE PILE INSTALLATION METHOD IN HOLLOW EXCAVATION METHOD, AND EXCAVATION DEVICE, VENEERING DEVICE AND EXCAVATING BLADE IN HOLLOW EXCAVATION METHOD
摘要
申请公布号	JPH06173254(A)	申请公布日期	1994.06.21
申请号	JP19930056533	申请日期	1993.02.22
申请人	MITANI SEKISAN CO LTD	发明人	TANAKA KAZUO;KITANI YOSHINOBU
分类号	E02D5/50;E21B7/20;E21B10/32;E21B10/44;(IPC1-7):E02D5/50	主分类号	E02D5/50
代理机构		代理人
主权项
地址

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