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经营范围
发明名称
Construction porteuse formant coquille, établie en béton armé
摘要
申请公布号
FR1068467(A)
申请公布日期
1954.06.25
申请号
FRD1068467
申请日期
1952.12.20
申请人
DYCKERHOFF & WIDMANN, KOMMANDITGESELLSCHAFT
发明人
分类号
E04B7/10
主分类号
E04B7/10
代理机构
代理人
主权项
地址
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