MECHANICAL PENCIL WITH AN AUTOMATICALLY PROPELLED LEAD,申请号EP19870112007-传众专利搜索

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发明名称	MECHANICAL PENCIL WITH AN AUTOMATICALLY PROPELLED LEAD
摘要
申请公布号	EP0276362(B1)	申请公布日期	1990.12.05
申请号	EP19870112007	申请日期	1987.08.19
申请人	PILOT PRECISION KABUSHIKI KAISHA	发明人	WATANABE, HIROYUKI
分类号	B43K21/033	主分类号	B43K21/033
代理机构		代理人
主权项
地址

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