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发明名称
Procédé pour l'amélioration et l'accroissement des propriétés des ciments
摘要
申请公布号
FR738437(A)
申请公布日期
1932.12.26
申请号
FRD738437
申请日期
1932.04.20
申请人
发明人
PECHIN LOUIS-CHARLES-FREDER
分类号
C04B14/30
主分类号
C04B14/30
代理机构
代理人
主权项
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