SEGMENT CONNECTING DEVICE IN METHOD OF SHIELD CONSTRUCTION,申请号JP19780056649-传众专利搜索

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发明名称	SEGMENT CONNECTING DEVICE IN METHOD OF SHIELD CONSTRUCTION
摘要
申请公布号	JPS54149237(A)	申请公布日期	1979.11.22
申请号	JP19780056649	申请日期	1978.05.15
申请人	JAPAN NATIONAL RAILWAY	发明人	UENO TOSHIYUKI
分类号	E21D11/08;E21D11/00	主分类号	E21D11/08
代理机构		代理人
主权项
地址

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