发明名称 Concrete wall form with safety attachment
摘要 A concrete wall form with an attachment inserted between extending abutting flanges of form panels to secure a workman's safety belt, the attachment being pivotally mounted and comprising an oval plate having two spaced circular holes.
申请公布号 US4401291(A) 申请公布日期 1983.08.30
申请号 US19810231492 申请日期 1981.02.04
申请人 HARSCO CORPORATION 发明人 GALLIS, ANTHONY J.
分类号 E04G17/00;E04G17/04;(IPC1-7):E04G11/00 主分类号 E04G17/00
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