| 摘要 |
The prevent invention relates to a window frame capable of changing a hidden and exposed frame. More particularly, in a window frame for installing a window, an existing present invention uses an exposed frame which has the connection part of glass which people can see, and hidden frames with different shapes where the glass of the window and a glass connection part seem to be connected without a frame. But, the present invention replaces only a single exposed and hidden bar to embody an exposed frame and a hidden frame. |
