Procédé de préparation par flottation avec mousse,申请号FRD1071827-传众专利搜索

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发明名称	Procédé de préparation par flottation avec mousse
摘要
申请公布号	FR1071827(A)	申请公布日期	1954.09.06
申请号	FRD1071827	申请日期	1952.11.03
申请人	BERGWERKSVERBAND ZUR VERWERTUNG VON SCHUTZRECHTEN DER KOHLENTECHNIK G.M.B.H.	发明人
分类号	B03D1/02;B03D1/14	主分类号	B03D1/02
代理机构		代理人
主权项
地址

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