4. Ships
  5. Implements
  6. Hull cleaning

Katsumi Kai

Inventor

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Carriage movable in water

Hydraulic and earth engineering – Diving – Remote control
Patent

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Underwater vehicle and method of positioning same

Ships – Implements – Hull cleaning
Patent

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Working apparatus traveling through tank web frame of ship

Ships – Building
Patent

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Profile ID: LFUS-PAI-P-1451308

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