Low-down heating and ventilating unit,申请号US19250015518-传众专利搜索

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法人/股东/高管

发明名称	Low-down heating and ventilating unit
摘要
申请公布号	US1754260(A)	申请公布日期	1930.04.15
申请号	US19250015518	申请日期	1925.03.14
申请人	CALLAHAN MICHAEL J	发明人	CALLAHAN MICHAEL J.
分类号	F28D1/02	主分类号	F28D1/02
代理机构		代理人
主权项
地址

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