Improvements in or relating to metallic brushes,申请号GB19390001481-传众专利搜索

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发明名称	Improvements in or relating to metallic brushes
摘要
申请公布号	GB523850(A)	申请公布日期	1940.07.24
申请号	GB19390001481	申请日期	1939.01.16
申请人	JEAN FELIX PAULSEN	发明人
分类号	A46B3/22	主分类号	A46B3/22
代理机构		代理人
主权项
地址

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