Multi -functional myopia prevention support

The utility model discloses a multi -functional myopia prevention support, including base, montant and fender frame, keep off the frame and pass through the top shoe with the montant and is connected, base and montant are through descending the slider to be connected, keeping off the frame and can r...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: QIU JUN, QIU LUMING
Format: Patent
Sprache:eng
Schlagworte:
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