Procédé et appareil de production d'une mousse légère destinée à humidifier les poussières, notamment dans les mines et les usines,申请号FRD62453-传众专利搜索

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发明名称	Procédé et appareil de production d'une mousse légère destinée à humidifier les poussières, notamment dans les mines et les usines
摘要
申请公布号	FR62453(E)	申请公布日期	1955.06.14
申请号	FRD62453	申请日期	1952.02.07
申请人		发明人	FOULON LOUIS-HENRI-ALEXANDR
分类号	E21F5/00	主分类号	E21F5/00
代理机构		代理人
主权项
地址

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