Environment-friendly plastic-steel door and window

The utility model relates to an environment-friendly plastic-steel door and window and relates to the technical field of doors and windows, in order to solve the problem that a sealing ring is exposed to the outside and prone to damage, and consequently the sealing effect becomes poorer, the environ...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: YU LIGUI, ZHANG GUOBO
Format: Patent
Sprache:chi ; eng
Schlagworte:
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