4. Gas separation
  5. Plural serial basically diverse separating media
  6. Plural stages in unitary casing

Seung-yong Cha

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Dust compressing apparatus of vacuum cleaner

Gas separation – Residue access – handling or removing means – With movable or manipulable means controlling escape of residue
Reexamination Certificate

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Vacuum cleaner

Gas separation: apparatus – With means to add fragrance or scent
Reexamination Certificate

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Vacuum cleaner in which a dust bag or a cyclone dust...

Gas separation – Plural serial basically diverse separating media – Plural stages in unitary casing
Reexamination Certificate

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Profile ID: LFUS-PAI-P-3192392

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