Protective coating for pencil cores,申请号US19360063452-传众专利搜索

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发明名称	Protective coating for pencil cores
摘要
申请公布号	US2062074(A)	申请公布日期	1936.11.24
申请号	US19360063452	申请日期	1936.02.11
申请人	GEORG WAGNER	发明人	WAGNER GEORG
分类号	B43K19/02	主分类号	B43K19/02
代理机构		代理人
主权项
地址

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