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经营范围
发明名称
Bloc hexagonal destiné à la construction
摘要
申请公布号
FR908084(A)
申请公布日期
1946.03.29
申请号
FRD908084
申请日期
1944.12.06
申请人
发明人
BEROUDIAUX EDOUARD
分类号
E04B2/22;E21D5/04;E21D11/04;E21D11/06
主分类号
E04B2/22
代理机构
代理人
主权项
地址
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