RESISTANCE APPARATUS, SYSTEM, AND METHOD

A resistance exercise system having, in certain embodiments, a DC power supply system, a DC motor connected to the DC power supply system, a drive section connected to a drive element, a resistance delivery element connected to the drive element, and an extractable exercise resistance delivery secti...

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Bibliographische Detailangaben
1. Verfasser: BIRD JOHN M
Format: Patent
Sprache:eng
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