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发明名称
Perfectionnements aux ciments alumineux
摘要
申请公布号
FR725775(A)
申请公布日期
1932.05.18
申请号
FRD725775
申请日期
1931.01.09
申请人
发明人
SEAILLES JEAN-CHARLES
分类号
C04B7/48
主分类号
C04B7/48
代理机构
代理人
主权项
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