A vacuum cleaner bag and duct assembly,申请号GB19800014391-传众专利搜索

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发明名称	A vacuum cleaner bag and duct assembly
摘要
申请公布号	GB2049855(A)	申请公布日期	1980.12.31
申请号	GB19800014391	申请日期	1980.05.01
申请人	NATIONAL UNION ELECTRIC CORP	发明人
分类号	A47L9/14;(IPC1-7):A47L9/14;F16L27/10	主分类号	A47L9/14
代理机构		代理人
主权项
地址

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