Multifunctional parallel bar for physical education

The multifunctional parallel bars for physical education comprise parallel bar vertical bars, telescopic rods are connected into the parallel bar vertical bars in a matched mode, the telescopic rods and the parallel bar vertical bars are fixed through plug pins and positioning holes, cross bars are...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SUI YI, YAN JINGCHI
Format: Patent
Sprache:chi ; eng
Schlagworte:
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