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产品代码
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产品名称
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规格型号
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单价
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demonstration instrument of gas acting and energetic
diminishing |
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demonstration instrument of microexplanation of pressure |
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model of double helix structure of DNA |
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multi-purpose plastic dropper and well-core board |
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exrerimental instrument of copper electrochemical copacity |
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experimental instrument of oil slick |
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demonstration instrument of vibration composition |
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demonstration meter of horizontal and longitudinal waves |
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demonstration instrument of lorentz fore |
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demonstration instrument of sound wave transmition |
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demonstration instrument of vibration picture
of simple pendulum |
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Madball hemisphere |
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Archimedes’ principle and application experimental instrument |
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demonstration instrument of fumction of fuse |
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frequently used condensor counting board |
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experimental instrument of atmospheric series |
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demonstration instrument of distillation and sublimation
of iodine |
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demostration case of wind’s formation |
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ion exchange column |
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blast kerosene burner |
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lblack case of electrical component |
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demonstration instrument of moldcular intermission |
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hodostration of two-dimensional space and time |
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multi-function charger |
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experimental instrument of conversation of momentum |
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demonstration instrument of alternating circuit |
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experimental instrument of average velocity |
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tacheometer of environment |
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glass specimen |
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mathematical magnetic teaching model for
elementary school |
低年级 |
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中年级 |
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高年级 |
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small-size air source |
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biological microdemostrative device |
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electrical airspeed gauge |
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Dalton’s board |
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numeral illuminancemeter |
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humidometer |
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