Vacuum floor mopper,申请号US19280328368-传众专利搜索

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发明名称	Vacuum floor mopper
摘要
申请公布号	US1849663(A)	申请公布日期	1932.03.15
申请号	US19280328368	申请日期	1928.12.26
申请人		发明人
分类号	A47L7/00;A47L9/02;A47L11/30	主分类号	A47L7/00
代理机构		代理人
主权项
地址

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