发明名称 ACOUSTICAL CEILING PANELS
摘要 An acoustical ceiling panel is described which includes a generally pyramid-form frame having an exterior surface and an interior cavity. A fabric covering is positioned on the exterior surface of the frame. A lining of acoustically dampening material is positioned within the interior cavity. The acoustical ceiling panel, as described, is particularly suited for use on ceilings which have a fire sprinkler network.
申请公布号 CA2126056(A1) 申请公布日期 1994.10.27
申请号 CA19942126056 申请日期 1994.06.16
申请人 ZIELINSKI, MICHEL 发明人 ZIELINSKI, MICHEL
分类号 E04B9/00;(IPC1-7):E04B1/86 主分类号 E04B9/00
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