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Roller carriage arrangement for a door or a window of a building having a fixed frame and a leaf which is displaceable relative to the fixed frame
Roller carriage arrangement for a door or a window of a building having a fixed frame and a leaf which is displaceable relative to the fixed frame
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机译：用于门的滚轮架布置或建筑物的窗口，其具有固定框架和可相对于固定框架可移动的叶子
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摘要
A roller carriage arrangement for a door or a window of a building, wherein the window or the door has a fixed frame and a leaf which can be released from the fixed frame and which can be displaced relative to the fixed frame together with the roller carriage arrangement.
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