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经营范围
发明名称
Mur porteur nervuré en béton armé
摘要
申请公布号
FR948448(A)
申请公布日期
1949.08.01
申请号
FRD948448
申请日期
1947.06.10
申请人
发明人
BOURGE ANDRE-CLEMENT
分类号
E04B2/86;E04G9/10
主分类号
E04B2/86
代理机构
代理人
主权项
地址
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