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经营范围
发明名称
Tunnel kiln
摘要
申请公布号
US1866546(A)
申请公布日期
1932.07.12
申请号
US19300434295
申请日期
1930.03.08
申请人
THE KOPPERS COMPANY
发明人
DANIELS JOSEPH
分类号
F27B9/12
主分类号
F27B9/12
代理机构
代理人
主权项
地址
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