Obturateur pour puits de mine,申请号FR19580778053-传众专利搜索

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发明名称	Obturateur pour puits de mine
摘要
申请公布号	FR1216355(A)	申请公布日期	1960.04.25
申请号	FR19580778053	申请日期	1958.10.31
申请人	SOCIETE DES FORGES ET ATELIERS DU CREUSOT	发明人
分类号	B66B17/00	主分类号	B66B17/00
代理机构		代理人
主权项
地址

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