Mounting structure of hula hoop balancing weight

The mounting structure of the hula hoop balancing weight comprises a sliding seat and the balancing weight, the sliding seat comprises an outer end face and an inner end face, a concave position formed by sinking the outer end face towards the inner end face is arranged on the sliding seat, connecti...

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Bibliographische Detailangaben
1. Verfasser: MA SHOUMIN
Format: Patent
Sprache:chi ; eng
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