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发明名称
PROCEDE DE FABRICATION D'UNE POUTRE PREFLECHIE, DONT LA POUTRE DE BASE EST UNE POUTRE MIXTE BETON-ACIER, ET POUTRE PREFLECHIE AINSI REALISEE.
摘要
申请公布号
BE889795(A1)
申请公布日期
1981.11.16
申请号
BE19816047499
申请日期
1981.07.29
申请人
SMAL FREDDY
发明人
分类号
E04C3/293;E04C3/294;(IPC1-7):F16S/;E01D/
主分类号
E04C3/293
代理机构
代理人
主权项
地址
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