4. Rotary expansible chamber devices
  5. Multistage

Seong Bin Lee

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Air circulation type vacuum cleaner

Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Reexamination Certificate

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Passage system of vacuum cleaner

Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Reexamination Certificate

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Scroll pump

Rotary expansible chamber devices – Multistage
Patent

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Water circulation cleaner

Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1153319

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