Braced frame of burglary -resisting window

The utility model relates to a braced frame of burglary -resisting window, including support bar, strut angle and special screw, the quantity of support bar is 4, and end to end's welding becomes the frame construction of a rectangle, strut angle of each welded fastening of the both ends of eve...

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Bibliographische Detailangaben
1. Verfasser: YIN SHULIN
Format: Patent
Sprache:chi ; eng
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