Improvements relating to cleaning tools for suction cleaners,申请号GB19490015382-传众专利搜索

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发明名称	Improvements relating to cleaning tools for suction cleaners
摘要
申请公布号	GB664711(A)	申请公布日期	1952.01.09
申请号	GB19490015382	申请日期	1949.06.09
申请人	HOOVER LIMITED	发明人
分类号	A47L9/06	主分类号	A47L9/06
代理机构		代理人
主权项
地址

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