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经营范围
发明名称
Perfectionnements aux fours à coke à tuyères inférieures
摘要
申请公布号
FR915743(A)
申请公布日期
1946.11.15
申请号
FRD915743
申请日期
1945.10.11
申请人
KOPPERS COMPANY INC.
发明人
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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