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RU1824211C
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Sportive ramp with spring board for rolling down and jumping
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RU1836979C
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Slide with spring-board for sliding down and jumping
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SU1692603A1
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Hill structure with tramp for sliding down into water
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RU1771790C
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Hill for sliding off and jumping
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SU1692602A1
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Hill with tramp for sliding and jumping
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Chute with jump-board for rolling-down and jumps
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SU1189460A1
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Flipper
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SU1230610A1
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Roller skates
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SU1245331A1
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Roller skates for sliding downhill
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SU1171044A1
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Arrangement for returning roller skates to a hill for acceleration
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SU1090428A1
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Jumping-off place with spring-board for sliding and jumping to water
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SU1245332A2
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Roller skates for sliding downhill with a springboard and for jumps to water
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SU1060198A2
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Filter for rolling down hill to water
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SU978885A1
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Roller skates for skating down hill with jump and rod water jumps
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SU1151255A1
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Arrangement for returning roller skates
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SU1000044A2
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Roller skate
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SU1087141A2
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Jumping-off place having spring-board for sliding to water
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SU689689A1
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Fin for sliding down a ramp into water
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