Man-machine operation equipment

The invention relates to the field of computers, in particular to man-machine operation equipment, which comprises a rectangular frame, a plurality of grating strips are inserted into the rectangular frame, and the rear sides of the plurality of grating strips are fixed on a rear rod. Threaded colum...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: DU ZUOQIANG, ZHANG BIYING
Format: Patent
Sprache:chi ; eng
Schlagworte:
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