prettypoet9
发表于 2014-3-18 03:23:31
ASTM D7091-13 Dry Film Thickness of Nonmagnetic Coatings
ASTM D7091-13 Standard Practice for Nondestructive Measurement of Dry Film Thickness of Nonmagnetic Coatings Applied to Ferrous Metals and Nonmagnetic, Nonconductive Coatings Applied to Non-Ferrous Metals