Jonction articulée pour le soutènement des mines,申请号FR19610859157-传众专利搜索

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发明名称	Jonction articulée pour le soutènement des mines
摘要
申请公布号	FR1286461(A)	申请公布日期	1962.03.02
申请号	FR19610859157	申请日期	1961.04.19
申请人	BOCHUMER EISENHUETTE HEINTZMANN & CO.	发明人
分类号	E21D11/24;E21D11/34;E21D17/01	主分类号	E21D11/24
代理机构		代理人
主权项
地址

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