標題: ASTM C 635-2004 吸音瓦及鋪設頂柵鑲板用金屬懸吊裝置 [打印本頁] 作者: 兌水 時間: 2009-9-18 09:12 標題: ASTM C 635-2004 吸音瓦及鋪設頂柵鑲板用金屬懸吊裝置 C635-00 Standard Specification for the Manufacture, Performance, and Testing of Metal Suspension Systems for Acoustical Tile and Lay-in Panel Ceilings