4. Ships
  5. Method of sailing sailpowered watercraft

Klaus Ketterer

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Excavating head with pick-controlled water supply

Mining or in situ disintegration of hard material – Cutter tooth or tooth head – Cleansing fluid passage
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Method of sailing a boat, and sailing vessel

Ships – Method of sailing sailpowered watercraft
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Profile ID: LFUS-PAI-P-1242309

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