4. Fluid reaction surfaces (i.e., impellers)
  5. Plural impellers having relative movement or independent...
  6. Coaxial rotation

Kazuhide Ohta

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Agent for curing chronic obstructive pulmonary disease

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate

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Contra-rotating bearing device for contra-rotating propeller

Fluid reaction surfaces (i.e. – impellers) – Plural impellers having relative movement or independent... – Coaxial rotation
Patent

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Profile ID: LFUS-PAI-P-1558433

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