Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B63
SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
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B63B
SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
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1/00
Hydrodynamic or hydrostatic features of hulls or of hydrofoils
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B63B1/16
deriving additional lift from hydrodynamic forces
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B63B1/20
having more than one planing surface
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B63B2001/201
divided by longitudinal chines
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