BRUSH ATTACHMENT FOR ERASERS,申请号CAD449738-传众专利搜索

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发明名称	BRUSH ATTACHMENT FOR ERASERS
摘要
申请公布号	CA449738(A)	申请公布日期	1948.07.13
申请号	CAD449738	申请日期
申请人	WALTER EDWARDS	发明人	WALTER EDWARDS
分类号		主分类号
代理机构		代理人
主权项
地址

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