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经营范围
发明名称
Béton armé sans coffrages
摘要
申请公布号
FR768389(A)
申请公布日期
1934.08.04
申请号
FRD768389
申请日期
1934.01.17
申请人
发明人
DODERET
分类号
E04B2/02;E04B2/14
主分类号
E04B2/02
代理机构
代理人
主权项
地址
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