Energy-saving aluminum alloy door and window structure

The utility model relates to the technical field of door and window equipment, in particular to an energy-saving type aluminum alloy door and window structure which is convenient for a user to operate and improves the practicability of the protective property of the device. Comprising a mounting fra...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: HAN WANJUN
Format: Patent
Sprache:chi ; eng
Schlagworte:
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