Dumbbell with adjustable length

The invention discloses a dumbbell with an adjustable length, and relates to the field of dumbbelles.The dumbbell comprises two main rod bodies, the two main rod bodies are fixedly connected together, the other ends of the two main rod bodies are each fixedly connected with a locking mechanism, and...

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Bibliographische Detailangaben
1. Verfasser: CAI PEIJIN
Format: Patent
Sprache:chi ; eng
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