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发明名称	TUNNEL SEGMENT
摘要
申请公布号	JPS62194398(A)	申请公布日期	1987.08.26
申请号	JP19860036594	申请日期	1986.02.20
申请人	KUBOTA LTD	发明人	KONNO TSUTOMU;YAMADA TOSHIO
分类号	E21D11/04	主分类号	E21D11/04
代理机构		代理人
主权项
地址

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