Anti-shortsightedness and humpback frame

The utility model discloses a myopia and bow back prevention frame, which comprises a frame on the table top, wherein the rear of the frame is equipped with a flex bracket inclines upwardly, a lifting bracket is equipped between the intermediate section of the flex bracket and the frame, and the for...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: KEXIANG FENG
Format: Patent
Sprache:eng
Schlagworte:
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