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发明名称
Perfectionnements apportés aux éléments du genre des profiles, plus spécialement pour constructions métalliques
摘要
申请公布号
FR1011145(A)
申请公布日期
1952.06.19
申请号
FRD1011145
申请日期
1948.12.14
申请人
发明人
DUBOIS LEON-JOSEPH
分类号
E04C3/04;E04C3/06;E04C3/32
主分类号
E04C3/04
代理机构
代理人
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