兑水 发表于 2009-12-8 20:32:05

ASTM F 2357-2004 用诺曼工具RCA研磨器测定膜开关上墨...

F2357-04 Standard Test Method for Determining the Abrasion Resistance of Inks and Coatings on Membrane Switches Using the Norman Tool RCA Abrader
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