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发明名称
NUEVO SISTEMA DE DESTENSADO SIMULTáNEO DE LOS ALAMBRES DE ACERO EN LAS VIGAS PRETENSADAS Y SIMILARES
摘要
申请公布号
ES233513(A1)
申请公布日期
1957.06.01
申请号
ES19130002335
申请日期
1957.02.11
申请人
MONILL BIRBE, MAGAN
发明人
分类号
(IPC1-7):B21
主分类号
(IPC1-7):B21
代理机构
代理人
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