4. Bleaching and dyeing; fluid treatment and chemical modification
  5. Bleaching
  6. Chemical

Su Shia Chen

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Ratchel tool having longitudinally movable pawls

Tools – Wrench – screwdriver – or driver therefor – Handle clutched to head
Reexamination Certificate

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Ratchet tool having improved driving shank

Tools – Wrench – screwdriver – or driver therefor – Handle clutched to head
Reexamination Certificate

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Tool handle

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

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Profile ID: LFUS-PAI-P-2030061

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