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发明名称
Plancher à nervures composé d'éléments préfabriqués en béton armé
摘要
申请公布号
FR1029977(A)
申请公布日期
1953.06.09
申请号
FRD1029977
申请日期
1950.12.21
申请人
发明人
KLUG WALTER
分类号
E04B5/04
主分类号
E04B5/04
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