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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2213/00
Navigational aids and use thereof, not otherwise provided for in this class
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B63B2213/02
using satellite radio beacon positioning systems, e.g. the Global Positioning System GPS
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