Improvements in or relating to electrically driven suction cleaning machines,申请号GB19370004775-传众专利搜索

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发明名称	Improvements in or relating to electrically driven suction cleaning machines
摘要
申请公布号	GB495697(A)	申请公布日期	1938.11.17
申请号	GB19370004775	申请日期	1937.02.17
申请人	THE BRITISH VACUUM CLEANER AND ENGINEERING COMPANY LIMITED;RICHARD JOHN HUTCHINSON;NOWELL BAIRD	发明人
分类号	A47L5/24;A47L5/28	主分类号	A47L5/24
代理机构		代理人
主权项
地址

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