UNERASABLE PENCIL LEAD,申请号JP19950220252-传众专利搜索

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发明名称	UNERASABLE PENCIL LEAD
摘要
申请公布号	JPH0959556(A)	申请公布日期	1997.03.04
申请号	JP19950220252	申请日期	1995.08.29
申请人	MITSUBISHI PENCIL CO LTD	发明人	KOYAMA TAKAO
分类号	C09D13/00;(IPC1-7):C09D13/00	主分类号	C09D13/00
代理机构		代理人
主权项
地址

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