Improvements in or relating to the upgrading of petroleum fractions,申请号GB19570019461-传众专利搜索

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发明名称	Improvements in or relating to the upgrading of petroleum fractions
摘要
申请公布号	GB850933(A)	申请公布日期	1960.10.12
申请号	GB19570019461	申请日期	1957.06.20
申请人	CALIFORNIA RESEARCH CORPORATION	发明人
分类号	C10G51/00	主分类号	C10G51/00
代理机构		代理人
主权项
地址

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