Improvements in vacuum cleaning-apparatus,申请号GB19350005544-传众专利搜索

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发明名称	Improvements in vacuum cleaning-apparatus
摘要
申请公布号	GB442108(A)	申请公布日期	1936.02.03
申请号	GB19350005544	申请日期	1935.02.21
申请人	WILHELMUS ADRIANUS VAN BERKEL	发明人
分类号	A47L5/36	主分类号	A47L5/36
代理机构		代理人
主权项
地址

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