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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34/00
Vessels specially adapted for water sports or leisure; Body-supporting devices specially adapted for water sports or leisure
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B63B34/50
Body-supporting buoyant devices, e.g. bathing boats or water cycles
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