UPGRADING HEAVY OIL,申请号GB19880013937-传众专利搜索

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发明名称	UPGRADING HEAVY OIL
摘要
申请公布号	GB8813937(D0)	申请公布日期	1988.07.20
申请号	GB19880013937	申请日期	1988.06.13
申请人	ONTARIO RESEARCH FOUNDATION	发明人
分类号	C10G9/00;C10G31/08	主分类号	C10G9/00
代理机构		代理人
主权项
地址

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