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发明名称
Poutre en béton armé
摘要
申请公布号
FR1004507(A)
申请公布日期
1952.03.31
申请号
FRD1004507
申请日期
1947.05.03
申请人
发明人
RABE PAUL
分类号
E04B5/23;E04B5/26
主分类号
E04B5/23
代理机构
代理人
主权项
地址
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