PREPARATION OF LEAD OF PENCIL,申请号JP19770155261-传众专利搜索

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发明名称	PREPARATION OF LEAD OF PENCIL
摘要
申请公布号	JPS5488423(A)	申请公布日期	1979.07.13
申请号	JP19770155261	申请日期	1977.12.23
申请人	PENTEL KK	发明人	MIYATA KATSUYA;SAKAI KAZUO
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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