near distance electro-optometer
... 两眼视力计 diploscope 电动近点视力计 near distance electro-optometer 红外重合视力计检测器 infrared coincidence optometer detector ...
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near distance electrooptometer
... 巴达尔达视力计 badal optometer 电动近点视力计 near distance electrooptometer 芬尚复合式视力计 coincidence optometer of fincham ...
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