Preheating furnace blast,申请号US19430506942-传众专利搜索

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发明名称	Preheating furnace blast
摘要
申请公布号	US2446388(A)	申请公布日期	1948.08.03
申请号	US19430506942	申请日期	1943.10.20
申请人	H. A. BRASSERT & COMPANY	发明人	RAMSEYER CHARLES F.;COSMAN CORNELIUS M.
分类号	C21B5/06;F28D19/02	主分类号	C21B5/06
代理机构		代理人
主权项
地址

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