Soutènement en forme de cintre pour les galeries d'abattage dans la zone de sortie de la taille,申请号FR19660080603-传众专利搜索

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发明名称	Soutènement en forme de cintre pour les galeries d'abattage dans la zone de sortie de la taille
摘要
申请公布号	FR1497040(A)	申请公布日期	1967.10.06
申请号	FR19660080603	申请日期	1966.10.19
申请人	BOCHUMER EISENHUETTE HEINTZMANN & CO.	发明人
分类号	E21D11/36	主分类号	E21D11/36
代理机构		代理人
主权项
地址

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