Conversion of heavy hydrocarbonaceous material to lower boiling products,申请号US19540478970-传众专利搜索

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发明名称	Conversion of heavy hydrocarbonaceous material to lower boiling products
摘要
申请公布号	US2917451(A)	申请公布日期	1959.12.15
申请号	US19540478970	申请日期	1954.12.31
申请人	UNIVERSAL OIL PRODUCTS COMPANY	发明人	LEFFER FREDERICK A. W.
分类号	C10G47/30;C10J3/46	主分类号	C10G47/30
代理机构		代理人
主权项
地址

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