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发明名称
ELEMENTO ALONGADO DE CONCRETO PROTENDIDO POR ELEMENTOS ESTRUTURAIS DISTENDIDOS ANTES DA CONCRETAGEM
摘要
申请公布号
BR7604653(A)
申请公布日期
1978.01.31
申请号
BR19760004653
申请日期
1976.07.16
申请人
STUP
发明人
MARTIN J
分类号
E01B3/34;E04C5/08;(IPC1-7):E04C3/26
主分类号
E01B3/34
代理机构
代理人
主权项
地址
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