A process for the treatment of bituminous substances or compositions containing these substances,申请号GB19390027014-传众专利搜索

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发明名称	A process for the treatment of bituminous substances or compositions containing these substances
摘要
申请公布号	GB533170(A)	申请公布日期	1941.02.07
申请号	GB19390027014	申请日期	1939.10.02
申请人	N. V. DE BATAAFSCHE PETROLEUM MAATSCHAPPIJ	发明人
分类号	C08K5/42	主分类号	C08K5/42
代理机构		代理人
主权项
地址

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