发明名称 Prestressing steel material.
摘要 <p>A steel material for use with concrete that is prestressed by posttensioning is disclosed. The steel member (1) is sheathed with a heat-shrinkable synthetic resin tube (2). Said embodiment is further applicable to the case of a stranded steel member.</p>
申请公布号 EP0298524(A2) 申请公布日期 1989.01.11
申请号 EP19880111961 申请日期 1984.12.14
申请人 SUMITOMO ELECTRIC INDUSTRIES LIMITED 发明人 WANATABE, KANJI&ITAMI WORKS,;MIZOE,MIKIO& ITAMI WORKS;INOO,EIJI &ITAMI WORKS
分类号 D07B1/16;E04C5/08 主分类号 D07B1/16
代理机构 代理人
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