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发明名称
Plancher en béton armé à semelles préfabriquées et son procédé de fabrication
摘要
申请公布号
FR1174965(A)
申请公布日期
1959.03.18
申请号
FRD1174965
申请日期
1957.05.10
申请人
发明人
ERNST PIERRE
分类号
E04G11/46
主分类号
E04G11/46
代理机构
代理人
主权项
地址
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