Self-sealing coke oven door,申请号US19370178707-传众专利搜索

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发明名称	Self-sealing coke oven door
摘要
申请公布号	US2234575(A)	申请公布日期	1941.03.11
申请号	US19370178707	申请日期	1937.12.08
申请人	FUEL REFINING CORPORATION	发明人	OTTO CARL;GRASSHOFF EBERHARD
分类号	C10B25/12	主分类号	C10B25/12
代理机构		代理人
主权项
地址

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