Door and window hinge capable of being folded and opened by 180 degrees
The utility model provides a door and window hinge capable of realizing 180-degree folding opening, which relates to the technical field of hinges, and comprises a rotating pin and a control structure, the surface of the rotating pin is rotatably connected with two hinges, the surface of the rotatin...
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Format: | Patent |
Sprache: | chi ; eng |
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