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发明名称
Système de construction en béton armé, ses éléments préfabriqués et leur moded'obtention
摘要
申请公布号
FR54443(E)
申请公布日期
1950.05.02
申请号
FRD54443
申请日期
1946.02.13
申请人
发明人
MARTINELLI STEFANO
分类号
E04B2/56
主分类号
E04B2/56
代理机构
代理人
主权项
地址
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