Combined adjustable myopia prevention device

The utility model discloses an assembled adjustable device of prevention of myopia and it belongs to the technological domain of health care equipment. It is consisted of a pedestal fixing on desk edge and T-typed apparatus inserting in a bearing casing pipe of the pedestal. The fixed desk bolt of t...

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Bibliographische Detailangaben
1. Verfasser: BINHAI ZHAO
Format: Patent
Sprache:eng
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