Recuperative coking retort oven,申请号US19210504143-传众专利搜索

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发明名称	Recuperative coking retort oven
摘要
申请公布号	US1758544(A)	申请公布日期	1930.05.13
申请号	US19210504143	申请日期	1921.09.29
申请人	THE KOPPERS COMPANY	发明人	ACKEREN JOSEPH VAN
分类号	C10B5/20	主分类号	C10B5/20
代理机构		代理人
主权项
地址

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