Air conditioning, cooling, and heating apparatus,申请号US19380239692-传众专利搜索

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法人/股东/高管

发明名称	Air conditioning, cooling, and heating apparatus
摘要
申请公布号	US2223429(A)	申请公布日期	1940.12.03
申请号	US19380239692	申请日期	1938.11.09
申请人	ROGER SMITH GEORGE;GRAFTON ALBERT K	发明人	SMITH GEORGE ROGER;GRAFTON ALBERT K.
分类号	F24H3/04	主分类号	F24H3/04
代理机构		代理人
主权项
地址

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