Procédé pour l'extraction de matières cristallines hors des fractions de goudron, de préférence des goudrons de houille,申请号FRD1029177-传众专利搜索

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发明名称	Procédé pour l'extraction de matières cristallines hors des fractions de goudron, de préférence des goudrons de houille
摘要
申请公布号	FR1029177(A)	申请公布日期	1953.06.01
申请号	FRD1029177	申请日期	1950.12.06
申请人	F. J. COLLIN A. G.	发明人
分类号	C10C1/18	主分类号	C10C1/18
代理机构		代理人
主权项
地址

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