Improvements in and relating to vacuum cleaners,申请号GB19360027747-传众专利搜索

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发明名称	Improvements in and relating to vacuum cleaners
摘要
申请公布号	GB470677(A)	申请公布日期	1937.08.19
申请号	GB19360027747	申请日期	1936.10.13
申请人	FRANZ RICHTER;JOSEF RICHTER	发明人
分类号	A47L5/04	主分类号	A47L5/04
代理机构		代理人
主权项
地址

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