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发明名称
Mode de construction de planchers en béton armé
摘要
申请公布号
FR714031(A)
申请公布日期
1931.11.06
申请号
FRD714031
申请日期
1931.03.30
申请人
发明人
PAULIN ALBERT
分类号
E04B1/92;E04B5/29
主分类号
E04B1/92
代理机构
代理人
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地址
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