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发明名称
POUTRE METALLIQUE CREUSE RENFORCEE.
摘要
申请公布号
FR2671850(B1)
申请公布日期
1993.07.16
申请号
FR19910000825
申请日期
1991.01.18
申请人
DIEBOLT JEAN
发明人
DIEBOLT JEAN
分类号
B66C23/64;E02F3/38;E04C3/04;E04C3/07;(IPC1-7):F16S3/00;B66C6/00;E04C3/08
主分类号
B66C23/64
代理机构
代理人
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