4. Bleaching and dyeing; fluid treatment and chemical modification
  5. Treatment of hides, skins, feathers and animal tissues
  6. Tanning

Cheng-Wei Su

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Assembling structure for a magnifying glass

Optical: systems and elements – Lens – With support
Reexamination Certificate

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Handle of a tool

Bleaching and dyeing; fluid treatment and chemical modification – Bleaching – Chemical
Design Patent

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Multiangle operating wrench

Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Design Patent

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Profile ID: LFUS-PAI-P-2246338

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