TUYERE FOR CONSTRUCTING UNDERGROUND STRUCTURE,申请号JP19870281816-传众专利搜索

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发明名称	TUYERE FOR CONSTRUCTING UNDERGROUND STRUCTURE
摘要
申请公布号	JPS6429598(A)	申请公布日期	1989.01.31
申请号	JP19870281816	申请日期	1987.11.07
申请人	OKUMURA CORP	发明人	MANZAWA TETSUO
分类号	E21D9/06;E21D9/04	主分类号	E21D9/06
代理机构		代理人
主权项
地址

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