发明名称 SOTTOSOLAIO DEL TIPO RETICOLARE, CON LASTRE ANTIACUSTICHE DISPOSTE A COPPIA, ESSENZIALMENTE VERTICALI.
摘要 <p>This comprises a grid of T-rails 1 and 2 suspended from a ceiling 15. Mutually perpendicular pairs of vertical boards 3 and 4 respectively are supported on either side of each T-rail by the crossbar of the T-rail engaging in grooves 10 in the back faces of the boards. The boards are spaced apart to allow the T-rails to be supported at any convenient point along their lengths. Boards 3 are longer than boards 4, and have recesses 12 in their end faces to accommodate rails 2, which support boards 4. <IMAGE></p>
申请公布号 IT8123066(D0) 申请公布日期 1981.07.22
申请号 IT19810023066 申请日期 1981.07.22
申请人 ARMSTRONG WORLD INDUSTRIES INC. 发明人 WOLFRAM SCHLUTER
分类号 E04B9/34;(IPC1-7):E04B/ 主分类号 E04B9/34
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