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经营范围
发明名称
Panneau nervuré et son emploi dans la construction des bâtiments
摘要
申请公布号
FR990052(A)
申请公布日期
1951.09.17
申请号
FRD990052
申请日期
1949.07.04
申请人
发明人
LACROUX EMILIEN-JEAN-LOUIS;HAILLECOURT CHARLES-MARCEL
分类号
E04B1/18
主分类号
E04B1/18
代理机构
代理人
主权项
地址
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