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发明名称
éléments légers repliables pour charpentes métalliques et autres applications
摘要
申请公布号
FR914298(A)
申请公布日期
1946.10.03
申请号
FRD914298
申请日期
1945.04.10
申请人
发明人
COLLET ROGER-PAUL;COLLET DANIEL-MARIE
分类号
E04B1/344;E04H12/18
主分类号
E04B1/344
代理机构
代理人
主权项
地址
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