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经营范围
发明名称
Coking retort oven
摘要
申请公布号
US1989505(A)
申请公布日期
1935.01.29
申请号
US19310507619
申请日期
1931.01.09
申请人
THE KOPPERS COMPANY OF DELAWARE
发明人
CHRISTIANSON RAYNARD
分类号
C10B5/10
主分类号
C10B5/10
代理机构
代理人
主权项
地址
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