Improvements in brushes,申请号GB19420008057-传众专利搜索

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发明名称	Improvements in brushes
摘要
申请公布号	GB554286(A)	申请公布日期	1943.06.28
申请号	GB19420008057	申请日期	1942.06.12
申请人	ROBERT BALDWIN HOVEY	发明人
分类号	A46B9/02;A46B17/08	主分类号	A46B9/02
代理机构		代理人
主权项
地址

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