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发明名称
Perfectionnements aux planchers en béton armé et à leurs procédés d'exécution
摘要
申请公布号
FR1072014(A)
申请公布日期
1954.09.07
申请号
FRD1072014
申请日期
1953.01.06
申请人
发明人
VERCELLETTO MICHEL-JEAN-ROBERT
分类号
E04B5/26
主分类号
E04B5/26
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代理人
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