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经营范围
发明名称
Procédé pour la fabrication d'un élément en béton précontraint.
摘要
申请公布号
CH248725(A)
申请公布日期
1947.05.31
申请号
CHD248725
申请日期
1945.09.24
申请人
LOSSIER,HENRY
发明人
LOSSIER,HENRY
分类号
B28B23/22;E04G21/12
主分类号
B28B23/22
代理机构
代理人
主权项
地址
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