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发明名称
PERFECTIONNEMENTS APPORTES AUX PONTS METALLIQUES, PLUS SPECIALEMENT AUX PONTS LEGERS DU GENRE DES PASSERELLES POUR PIETONS
摘要
申请公布号
BE848501(A1)
申请公布日期
1977.05.18
申请号
BE19760172491
申请日期
1976.11.18
申请人
发明人
分类号
E01D2/00;E01D2/04;(IPC1-7):E01D/
主分类号
E01D2/00
代理机构
代理人
主权项
地址
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