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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17/00
Vessels parts, details, or accessories, not otherwise provided for
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B63B17/0027
Tanks for fuel or the like; ; Accessories therefor, e.g. tank filler caps
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B63B17/0036
Arrangements for minimizing pollution by accidents
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