Improvements in or relating to connectors for vacuum cleaner dust bags,申请号GB19480016199-传众专利搜索

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发明名称	Improvements in or relating to connectors for vacuum cleaner dust bags
摘要
申请公布号	GB644684(A)	申请公布日期	1950.10.18
申请号	GB19480016199	申请日期	1948.06.16
申请人	WALLACE CRANSTON FAIRWEATHER	发明人
分类号	A47L9/14	主分类号	A47L9/14
代理机构		代理人
主权项
地址

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