A propelling pencil having an eraser adjustable therein by a screw action,申请号GB19600000217-传众专利搜索

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发明名称	A propelling pencil having an eraser adjustable therein by a screw action
摘要
申请公布号	GB884024(A)	申请公布日期	1961.12.06
申请号	GB19600000217	申请日期	1960.01.04
申请人	THEODOR KOVACS	发明人
分类号	B43K29/02	主分类号	B43K29/02
代理机构		代理人
主权项
地址

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