AIRTIGHT KEEPING DEVICE BETWEEN WORK ROOM AND AIR LOCK ROOM IN PNEUMATIC CAISSON, ITS USE, DRILL DEVICE FOR NATURAL GROUND OF THE BOTTOM OF THE WORK ROOM,申请号JP19960065545-传众专利搜索

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发明名称	AIRTIGHT KEEPING DEVICE BETWEEN WORK ROOM AND AIR LOCK ROOM IN PNEUMATIC CAISSON, ITS USE, DRILL DEVICE FOR NATURAL GROUND OF THE BOTTOM OF THE WORK ROOM
摘要
申请公布号	JPH09228382(A)	申请公布日期	1997.09.02
申请号	JP19960065545	申请日期	1996.02.26
申请人	DAIHO CONSTR CO LTD	发明人	TSUNODA JIRO
分类号	E02D23/06;(IPC1-7):E02D23/06	主分类号	E02D23/06
代理机构		代理人
主权项
地址

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