Coking retort oven,申请号US19320587541-传众专利搜索

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发明名称	Coking retort oven
摘要
申请公布号	US2015657(A)	申请公布日期	1935.10.01
申请号	US19320587541	申请日期	1932.01.19
申请人	THE KOPPERS COMPANY OF DELAWARE	发明人	BECKER JOSEPH
分类号	C10B21/20	主分类号	C10B21/20
代理机构		代理人
主权项
地址

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