PRODUCAO DE NEGRO DE FUMO,申请号BR19680205143-传众专利搜索

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发明名称	PRODUCAO DE NEGRO DE FUMO
摘要
申请公布号	BR6805143(D0)	申请公布日期	1973.01.16
申请号	BR19680205143	申请日期	1968.12.27
申请人	PHILIPS PETROLEUM CO	发明人	GUNNELL T
分类号	A41F11/04	主分类号	A41F11/04
代理机构		代理人
主权项
地址

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