发明名称 Construction panels
摘要 A construction panel suitable for flat roofs, walls, floors and the like. The panel is preformed employing a sheet steel member embedded therein having in addition intersecting reinforcement of steel bars. The panel is of cementitious material bent on both sides and formed in a U-shape.
申请公布号 US4172346(A) 申请公布日期 1979.10.30
申请号 US19770860102 申请日期 1977.12.13
申请人 KUROIWA, ICHIO 发明人 KUROIWA, ICHIO
分类号 E04B5/02;E04C2/06;(IPC1-7):E04B1/54;E04B1/64 主分类号 E04B5/02
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