DOOR ASSEMBLY
收藏国家林业和草原科学数据中心2023-02-12 更新2024-03-07 收录
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资源简介：
A door assembly is shown and described herein. The door assembly may include at least one door panel and a door frame having a plurality of frame members including a header and a mullion. The invention may also be considered a frame member. The frame member may be a mullion and include a core; and a two-piece top piece adjoining the core to form a structural member. The door assembly may further include at least one adjacent panel. The inventions disclosed are also applicable to jambs and window structures. Also disclosed are methods and assemblies for a mullion door frame members.
提供机构：
国家林业和草原科学数据中心
创建时间：
2023-02-12
