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防止瞎摸纸盒旨在保护“得克萨斯州”仪表公司的学习用的小型计算器直至其抵达到目的地。它有双层纸盒,笔直褶缝的外纸盒有个密封扣锁设施。作为防止瞎摸计算机的初步防范。内纸盒把计算器固定在一直延伸
Prevent Blindness Cartons are designed to protect small Texas Instruments’ learning calculators until they arrive at their destination. It has a double-decked tray, and the straight-pleated outer tray has a sealed snap-lock facility. As a precautionary measure to blindly touch the computer. The inner tray holds the calculator all the way