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CN108371804A
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It serves a ball in a kind of tennis serve machine the upper-lower position on device in channel
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CN108392806A
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A kind of tennis serve machine
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CN108371803A
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It serves a ball in a kind of tennis serve machine the horizontal hunting mechanism in channel
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CN108371776A
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A kind of multi-functional adjustable parallel bars
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CN108371779A
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A kind of athletic training hanging ring structure
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CN108371778A
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A kind of hanging ring structure
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CN107126689A
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The driving structure of conveyer belt in a kind of rock-climbing trainer
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CN107126690A
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One kind rock-climbing trainer
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CN107126713A
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A kind of hurdles standard for training
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CN107185144A
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A kind of training balance beam
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CN107185208A
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A kind of shot trainer
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CN107149752A
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A kind of basketball cleaning machine
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CN107185189A
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A kind of cleaning structure in basketball cleaning machine
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CN107185186A
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A kind of tennis collector
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