Turntable, card type certificate library, book type certificate library and certificate storage cabinet

The utility model discloses a turntable, card type certificate storeroom, book type certificate storeroom and certificate storage cabinet, the turntable comprises an inner ring, an annular substrate,a plurality of first partition pieces and a plurality of second partition pieces, and the annular sub...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: XIONG XUEBING, TANG XIAOHONG, LU QILAN, XIAO HAIGANG
Format: Patent
Sprache:chi ; eng
Schlagworte:
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