Dust bag support fastening for portable suction cleaners,申请号US19330704711-传众专利搜索

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发明名称	Dust bag support fastening for portable suction cleaners
摘要
申请公布号	US2005690(A)	申请公布日期	1935.06.18
申请号	US19330704711	申请日期	1933.12.30
申请人	THE SINGER MANUFACTURING COMPANY	发明人	HERTZ HJALMAR
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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