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经营范围
发明名称
Coking retort oven
摘要
申请公布号
US1900752(A)
申请公布日期
1933.03.07
申请号
US19260138414
申请日期
1926.09.29
申请人
THE KOPPERS COMPANY
发明人
BECKER JOSEPH
分类号
C10B31/04
主分类号
C10B31/04
代理机构
代理人
主权项
地址
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