粉體行業在線展覽
粉體行業在線展覽
直接聯系
天津尼科斯測試技術有限公司
美國
面議
663
How well do your employees see color? Simple test determines color acuity
This test gives you an easy-to-administer but highly effective method for measuring any iondividual's color vision.Used by the government and industry for over 40years，the test consists of four trays containing a total of 85 removable color reference caps(incremental hue variation)
