Improvements in or relating to sweeping devices,申请号GB19520013819-传众专利搜索

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发明名称	Improvements in or relating to sweeping devices
摘要
申请公布号	GB720216(A)	申请公布日期	1954.12.15
申请号	GB19520013819	申请日期	1952.05.30
申请人	THE GENERAL ELECTRIC COMPANY LIMITED	发明人	AMIES DONALD
分类号	E01H1/14	主分类号	E01H1/14
代理机构		代理人
主权项
地址

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