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Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B62
LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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B62M
RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR; SINGLE-TRACK; CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
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9/00
Transmissions characterised by use of an endless chain, belt, or the like
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B62M9/04
of changeable ratio
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B62M9/06
using a single chain, belt, or the like
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B62M9/08
involving eccentrically- mounted or elliptically-shaped driving or driven wheel; with expansible driving or driven wheel
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