STRUCTURE OF UPSET WORK TUNNEL,申请号JP19750117182-传众专利搜索

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发明名称	STRUCTURE OF UPSET WORK TUNNEL
摘要
申请公布号	JPS5242632(A)	申请公布日期	1977.04.02
申请号	JP19750117182	申请日期	1975.09.30
申请人	KUMAGAI GUMI CO LTD	发明人	OOTSUKA MOTOAKI;UENO MASATAKA
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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