Improvements in or relating to push feed pencils,申请号GB19500012400-传众专利搜索

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发明名称	Improvements in or relating to push feed pencils
摘要
申请公布号	GB684173(A)	申请公布日期	1952.12.10
申请号	GB19500012400	申请日期	1950.05.18
申请人	CARL GEORG BRUER;FRITZ KEESE;IRMGARD BRUER;MARIA BRUER;GUSTAV BRUER;RIA KLUSMANN	发明人
分类号	B43K21/20	主分类号	B43K21/20
代理机构		代理人
主权项
地址

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