Ventilator,申请号US19320646272-传众专利搜索

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发明名称	Ventilator
摘要
申请公布号	US2039484(A)	申请公布日期	1936.05.05
申请号	US19320646272	申请日期	1932.12.08
申请人	H. H. ROBERTSON COMPANY	发明人	HEPPENSTALL THOMAS A.
分类号	F24F7/02	主分类号	F24F7/02
代理机构		代理人
主权项
地址

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