Portable dust collector and separator,申请号US19490072730-传众专利搜索

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发明名称	Portable dust collector and separator
摘要
申请公布号	US2540919(A)	申请公布日期	1951.02.06
申请号	US19490072730	申请日期	1949.01.25
申请人	WM. H. VALLAS, JR.	发明人	VALLAS CHARLES O.
分类号	B01D45/02;B04C5/02	主分类号	B01D45/02
代理机构		代理人
主权项
地址

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