发明名称 PRESTRESSING STEEL MATERIAL
摘要 SO-2-41339M/MS/86 An elongated prestressing steel material for use in the fabrication of prestressed concrete comprises a steel member and an outer coat of many microcapsules each containing a flowable material in its interior.
申请公布号 CA1280909(C) 申请公布日期 1991.03.05
申请号 CA19860506109 申请日期 1986.04.08
申请人 SUMITOMO ELECTRIC INDUSTRIES, LTD. 发明人 MIZOE, MIKIO;WATANABE, KANJI
分类号 E04C5/08 主分类号 E04C5/08
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