METHOD FOR MANUFACTURING TAR PITCH SUBSTRATES OF HARD COAL HAVING BETTER PROPERTIES,REQUIRED FOR A VARIETY OF APPLICATIONS,申请号PL19870263991-传众专利搜索

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发明名称	METHOD FOR MANUFACTURING TAR PITCH SUBSTRATES OF HARD COAL HAVING BETTER PROPERTIES,REQUIRED FOR A VARIETY OF APPLICATIONS
摘要
申请公布号	PL263991(A1)	申请公布日期	1988.05.12
申请号	PL19870263991	申请日期	1987.02.06
申请人		发明人
分类号	B01D11/02;C10C1/18;C10C3/08;(IPC1-7):C10C/	主分类号	B01D11/02
代理机构		代理人
主权项
地址

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