Improved valve for use in coke ovens,申请号GB19390028736-传众专利搜索

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发明名称	Improved valve for use in coke ovens
摘要
申请公布号	GB515514(A)	申请公布日期	1939.12.06
申请号	GB19390028736	申请日期	1938.02.23
申请人	CARL OTTO	发明人
分类号	C10B27/06	主分类号	C10B27/06
代理机构		代理人
主权项
地址

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