Energy -saving aluminum alloy door window with built -in wood frame
The utility model discloses an energy -saving aluminum alloy door window with built -in wood frame, including al -alloy door & window frame and wooden door and window frame, the top of al -alloy door& window frame is equipped with two mounting grooves, it has sealed the pad all to bond on th...
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Format: | Patent |
Sprache: | chi ; eng |
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