Dispositif de sécurité pour l'utilisation de machines d'extraction dans les tailles en dressant, utilisable notamment dans les mines,申请号FR19630944855-传众专利搜索

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发明名称	Dispositif de sécurité pour l'utilisation de machines d'extraction dans les tailles en dressant, utilisable notamment dans les mines
摘要
申请公布号	FR1366433(A)	申请公布日期	1964.07.10
申请号	FR19630944855	申请日期	1963.08.16
申请人	GEWERKSCHAFT EISENHUETTE WESTFALIA	发明人
分类号	E21C35/04	主分类号	E21C35/04
代理机构		代理人
主权项
地址

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