FILLING OF BACK-FILLING MATERIAL IN SHIELD SEGMENT AND SHIELDING MACHINE,申请号JP19890139299-传众专利搜索

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发明名称	FILLING OF BACK-FILLING MATERIAL IN SHIELD SEGMENT AND SHIELDING MACHINE
摘要
申请公布号	JPH035597(A)	申请公布日期	1991.01.11
申请号	JP19890139299	申请日期	1989.06.02
申请人	MITSUI CONSTR CO LTD	发明人	MATSUZAKI KAZUHIKO;FUKUSHIMA MASATOSHI;MATSUI TAKAYUKI
分类号	E21D11/00	主分类号	E21D11/00
代理机构		代理人
主权项
地址

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