Improvements in and relating to propelling pencils,申请号GB19340011691-传众专利搜索

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发明名称	Improvements in and relating to propelling pencils
摘要
申请公布号	GB432302(A)	申请公布日期	1935.07.24
申请号	GB19340011691	申请日期	1934.04.18
申请人	ROY SEYMOUR PIKE	发明人
分类号	B43K21/08;B43K29/06	主分类号	B43K21/08
代理机构		代理人
主权项
地址

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