METHOD OF OBTAINING A GRAPHITE COMPOSITION FOR PRODUCTION OF WRITING MATERIALS,申请号PL19870265403-传众专利搜索

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发明名称	METHOD OF OBTAINING A GRAPHITE COMPOSITION FOR PRODUCTION OF WRITING MATERIALS
摘要
申请公布号	PL152034(B1)	申请公布日期	1990.10.31
申请号	PL19870265403	申请日期	1987.04.15
申请人		发明人
分类号	C09D;C09D13/00;(IPC1-7):C09D13/00	主分类号	C09D
代理机构		代理人
主权项
地址

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