Trolley

An upper supporting frame is connected to the upper portion of a bottom supporting frame, a seat supporting piece is connected to the upper supporting frame, a seat is arranged on the seat supporting piece, a clamping and locking device is arranged between the seat supporting piece and the upper sup...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: YIN CHENFENG
Format: Patent
Sprache:chi ; eng
Schlagworte:
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