Filter cleaner for vacuum dust collectors,申请号US19470754678-传众专利搜索

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发明名称	Filter cleaner for vacuum dust collectors
摘要
申请公布号	US2534171(A)	申请公布日期	1950.12.12
申请号	US19470754678	申请日期	1947.06.14
申请人	KIRBY JAMES B	发明人	KIRBY JAMES B.
分类号	A47L9/20	主分类号	A47L9/20
代理机构		代理人
主权项
地址

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