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发明名称
Perfectionnements aux procédés de fabrication de pièces moulées à base de liants hydrauliques
摘要
申请公布号
FR714026(A)
申请公布日期
1931.11.06
申请号
FRD714026
申请日期
1931.03.30
申请人
COTRAB
发明人
分类号
B28B7/00;B28B7/18;B28B7/24
主分类号
B28B7/00
代理机构
代理人
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