4. Music
  5. Accessories
  6. Teaching devices

Chao-Hsiung Tsai

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Axle-variating means for eccentric and concentric wheel

Land vehicles: wheels and axles – Combined wheel and axle modification
Patent

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Footwear having single-layer ventilating and massaging insole

Boots – shoes – and leggings – Boots and shoes – Ventilated
Patent

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Musical dancing block set

Music – Accessories – Teaching devices
Patent

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Profile ID: LFUS-PAI-P-840033

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