Poteau en fer pour mines,申请号FRD898890-传众专利搜索

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发明名称	Poteau en fer pour mines
摘要
申请公布号	FR898890(A)	申请公布日期	1945.05.09
申请号	FRD898890	申请日期	1943.10.15
申请人		发明人	KOEPE ARNOLD
分类号	E21D15/42	主分类号	E21D15/42
代理机构		代理人
主权项
地址

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