Air filtering and shield attachment,申请号US19400320657-传众专利搜索

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发明名称	Air filtering and shield attachment
摘要
申请公布号	US2249308(A)	申请公布日期	1941.07.15
申请号	US19400320657	申请日期	1940.02.24
申请人	BEDOL HARRY A	发明人	BEDOL HARRY A.
分类号	F24F3/16	主分类号	F24F3/16
代理机构		代理人
主权项
地址

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