发明名称 ACOUSTICAL TACK BOARD
摘要 A demountable partition wall with laminated panels hung from a wall framework by clips applied to the back of the panel. The panels are sound absorbing tack boards, consisting essentially of a gypsum wallboard base board, a mineral fiber board core board and a porous decorative sheet of material adhered to the core board.
申请公布号 CA1287728(C) 申请公布日期 1991.08.20
申请号 CA19870544139 申请日期 1987.08.10
申请人 NATIONAL GYPSUM COMPANY;NATIONAL GYPSUM COMPANY;NATIONAL GYPSUM COMPANY 发明人 WINKOWSKI, DANIEL A.
分类号 E04B2/74;(IPC1-7):E04B1/82 主分类号 E04B2/74
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