Improvements in or relating to vacuum cleaners,申请号GB19370012779-传众专利搜索

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发明名称	Improvements in or relating to vacuum cleaners
摘要
申请公布号	GB479652(A)	申请公布日期	1938.02.09
申请号	GB19370012779	申请日期	1937.05.04
申请人	AIR-WAY ELECTRIC APPLIANCE CORPORATION	发明人
分类号	A47L5/34;A47L9/00;A47L9/32	主分类号	A47L5/34
代理机构		代理人
主权项
地址

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