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Inventions
Science and Technology
3
Inventors
2
Oklahoma
2
278/13
1
278/17
1
Agriculture - Domestic Animals - Horses
1
Agriculture - Farm Equipment - Plows
1
Agriculture - Farming
1
Sports and Recreation - Amusement Rides
1
agricultural equipment
1
boats
1
draft animals
1
evener
1
eveners
1
farming
1
horses
1
illusions
1
special effects
1
theme parks
1
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