Air preheating construction for furnaces,申请号US19290377263-传众专利搜索

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法人/股东/高管

发明名称	Air preheating construction for furnaces
摘要
申请公布号	US1875693(A)	申请公布日期	1932.09.06
申请号	US19290377263	申请日期	1929.07.10
申请人	ATWATER HARRY A	发明人	ATWATER HARRY A.
分类号	F28F3/00	主分类号	F28F3/00
代理机构		代理人
主权项
地址

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