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CN105054586A
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Learning instrument with eyesight protecting function
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CN105054585A
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Eye-protecting reading stand structure
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CN105054590A
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Book reading frame device used for protecting eyesight
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Glasses leg with clamping force convenient to adjust
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CN105108605A
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Manual lens grinding mechanism
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CN105068266A
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Glasses temple
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CN105054589A
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Reading bracket structure
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CN105068268A
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Spectacles frame structure applicable to movement process
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CN105081921A
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Lens edge shaping mechanism
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CN105054587A
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Reading article with shortsightedness preventing function
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CN105108606A
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Lens shaping mechanism
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CN105077992A
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Reading board structure capable of relieving eye fatigue
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CN105290914A
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Lens machining device
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CN105068269A
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Glasses leg structure capable of conveniently adjusting length and height of glasses leg
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CN105068267A
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Functional glasses frame structure
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CN104856446A
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Sitting posture correction device
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CN104825001A
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Sitting posture correcting mechanism capable of improving using interests of children
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CN104856445A
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Eyesight protection mechanism having anti-knocking function
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CN104825000A
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Myopia-preventing mechanism for children
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CN104856854A
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Eye health-care mechanism suitable for household
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