PRODUCTION OF PENCIL LEAD,申请号JP19800013997-传众专利搜索

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发明名称	PRODUCTION OF PENCIL LEAD
摘要
申请公布号	JPS56110774(A)	申请公布日期	1981.09.02
申请号	JP19800013997	申请日期	1980.02.06
申请人	SAKURA COLOR PROD CORP	发明人	HATANAKA AKIO
分类号	C09D13/00	主分类号	C09D13/00
代理机构		代理人
主权项
地址

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