| 摘要 |
PURPOSE: The built-in out corner finishing materials of a building are provided to improve indoor appearance and to simplify installation. CONSTITUTION: The built-in out corner finishing materials of a building comprise two primary boards(11) inclined at the appointed angle, intermediate finishing materials(20) provided with a sheet attached to an extended side of two primary boards(20), two fourth boards formed in the shape of a trapezoid column and having the same upper side as the width of primary boards(11), two fifth boards formed in the shape of a trapezoid column and located on the outside of the forth boards, and end finishing materials provided with a sheet attached to the lower side of the fourth boards and the fifth boards, wherein the primary boards(11) of the intermediate finishing materials(20) are attached to two side walls of the out corner and the inner sides of two end finishing materials, and cover the upper and lower ends of the intermediate finishing materials(20) respectively, and are attached to the ceiling and floor of a building.
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