MECHANICAL PENCIL WITH AUTOMATIC LEAD ADVANCE,申请号GB19820017019-传众专利搜索

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发明名称	MECHANICAL PENCIL WITH AUTOMATIC LEAD ADVANCE
摘要
申请公布号	GB2100197(A)	申请公布日期	1982.12.22
申请号	GB19820017019	申请日期	1982.06.11
申请人	PENTEL KK	发明人
分类号	B43K21/033;B43K21/20;(IPC1-7):B43K21/02	主分类号	B43K21/033
代理机构		代理人
主权项
地址

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