4. Ships
  5. Sail or control means therefor
  6. Reefing and furling

Proengin

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Device for limiting the rotational movement of the external part

Ships – Sail or control means therefor – Reefing and furling
Patent

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Portable and autonomous instrument for analyzing a gaseous compo

Optics: measuring and testing – By shade or color – With color transmitting filter
Patent

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