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发明名称
Poutrelle à treillis
摘要
申请公布号
CH516058(A)
申请公布日期
1971.11.30
申请号
CH19700009131
申请日期
1970.06.16
申请人
DAVUM
发明人
BARBOU,JACQUES
分类号
E04C3/04;E04C3/08;E04C5/065;(IPC1-7):E04C3/09
主分类号
E04C3/04
代理机构
代理人
主权项
地址
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