Door seal for furnaces with protective atmosphere,申请号US19390300380-传众专利搜索

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发明名称	Door seal for furnaces with protective atmosphere
摘要
申请公布号	US2254900(A)	申请公布日期	1941.09.02
申请号	US19390300380	申请日期	1939.10.20
申请人	WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY	发明人	LESSMANN GERHARD P.
分类号	C21D9/00;F27D1/18	主分类号	C21D9/00
代理机构		代理人
主权项
地址

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