Improvements in or connected with propelling pencils,申请号GB19310023958-传众专利搜索

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发明名称	Improvements in or connected with propelling pencils
摘要
申请公布号	GB368660(A)	申请公布日期	1932.03.10
申请号	GB19310023958	申请日期	1931.08.26
申请人	ALFRED THOMAS BOWLER	发明人
分类号	B43K21/08	主分类号	B43K21/08
代理机构		代理人
主权项
地址

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