Improvements in or relating to vacuum cleaning apparatus,申请号GB19290027657-传众专利搜索

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发明名称	Improvements in or relating to vacuum cleaning apparatus
摘要
申请公布号	GB329928(A)	申请公布日期	1930.05.29
申请号	GB19290027657	申请日期	1929.09.11
申请人	ALBERT LARY	发明人
分类号	A47L9/12	主分类号	A47L9/12
代理机构		代理人
主权项
地址

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