Improvements in or relating to open hearth furnace doors,申请号GB19620039342-传众专利搜索

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发明名称	Improvements in or relating to open hearth furnace doors
摘要
申请公布号	GB967974(A)	申请公布日期	1964.08.26
申请号	GB19620039342	申请日期	1962.10.17
申请人	QUIGLEY COMPANY, INC.	发明人	DEMAISON RAYMOND JULES
分类号	F27D1/18	主分类号	F27D1/18
代理机构		代理人
主权项
地址

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