PANEL
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 panel， which， at two opposite edges， is provided with coupling parts that allow joining by a downward movement， the coupling parts including a male part that fits in a female part， wherein vertically active locking portions are provided at opposite sides of the male part and female part， wherein these locking portions are located at different distances from an upper side of the panels.
提供机构：
国家林业和草原科学数据中心
创建时间：
2023-02-12
