发明名称 Heat insulating and sound absorbing concrete wall panel
摘要 Presented is a concrete wall panel that provides both thermal insulation and sound absorption while possessing the necessary rigidity and strength to permit the panel to be manufactured at a site remote from the point of installation, transported to the point of installation and then hoisted into position by appropriate hoisting equipment.
申请公布号 US4164831(A) 申请公布日期 1979.08.21
申请号 US19770835318 申请日期 1977.09.21
申请人 MESSICK, WILLIAM E.;GABRIELSEN, BERNARD L. 发明人 MESSICK, WILLIAM E.;GABRIELSEN, BERNARD L.
分类号 E04B1/04;E04B1/84;E04B1/88;E04B1/90;E04C2/04;E04C2/38;(IPC1-7):E04B2/00 主分类号 E04B1/04
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