METHOD OF SEPARATING RESINOUS MATERIALS FROM HEAVY OILS OF CARBONACEOUS ORIGIN,申请号PL19880273931-传众专利搜索

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发明名称	METHOD OF SEPARATING RESINOUS MATERIALS FROM HEAVY OILS OF CARBONACEOUS ORIGIN
摘要
申请公布号	PL155954(B1)	申请公布日期	1992.01.31
申请号	PL19880273931	申请日期	1988.07.27
申请人		发明人
分类号	C10G;C10G21/02;(IPC1-7):C10G21/02	主分类号	C10G
代理机构		代理人
主权项
地址

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