4. Gas and liquid contact apparatus
  5. Contact devices
  6. Rotating

Masao Oshima

Inventor

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Aeration apparatus

Gas and liquid contact apparatus – Contact devices – Rotating
Patent

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Semiconductor device

Active solid-state devices (e.g. – transistors – solid-state diode – Combined with electrical contact or lead – Of specified configuration
Reexamination Certificate

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Profile ID: LFUS-PAI-P-89648

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