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经营范围
发明名称
Perfectionnements aux portes étanches de fours à coke
摘要
申请公布号
FR897679(A)
申请公布日期
1945.03.28
申请号
FRD897679
申请日期
1943.04.29
申请人
发明人
FORSANS PIERRE-EUGENE-HENRI
分类号
C10B25/06
主分类号
C10B25/06
代理机构
代理人
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