Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B63
SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
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B63H
MARINE PROPULSION OR STEERING
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9/00
Marine propulsion provided directly by wind power
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B63H9/04
using sails or like wind-catching surfaces
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B63H9/06
Types of sail; Constructional features of sails; Arrangements thereof on vessels
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B63H9/071
for use in combination with other propulsion means, e.g. for improved fuel economy
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