Show shelf is used in teaching

The utility model belongs to the appurtenance field is used in the teaching, concretely relates to show shelf is used in teaching, the on -line screen storage device comprises a base, support column and clipboard, wherein, the left and right sides of clipboard upper end all is equipped with a fixati...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: XU JIN, MAN XIAOPING
Format: Patent
Sprache:chi ; eng
Schlagworte:
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