Vacuum cleaner attachment,申请号US19360079802-传众专利搜索

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发明名称	Vacuum cleaner attachment
摘要
申请公布号	US2214725(A)	申请公布日期	1940.09.10
申请号	US19360079802	申请日期	1936.05.14
申请人	ROSS OSCAR A	发明人	ROSS OSCAR A.
分类号	A47L9/02;A47L9/24	主分类号	A47L9/02
代理机构		代理人
主权项
地址

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