METHOD OF AND APPARATUS FOR ADVANCING UNDERGROUND STRUCTURE,申请号JP19750123783-传众专利搜索

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发明名称	METHOD OF AND APPARATUS FOR ADVANCING UNDERGROUND STRUCTURE
摘要
申请公布号	JPS5248220(A)	申请公布日期	1977.04.16
申请号	JP19750123783	申请日期	1975.10.16
申请人	UEMURA KOUICHI	发明人	UEMURA KOUICHI
分类号	E21D9/06;F16L1/00	主分类号	E21D9/06
代理机构		代理人
主权项
地址

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