兑水 发表于 2009-9-11 20:48:30

ASTM B 244-1997用涡流仪器测量铝阳极镀层及其它非磁...

B244-97(2002) Standard Test Method for Measurement of Thickness of Anodic Coatings on Aluminum and of Other Nonconductive Coatings on Nonmagnetic Basis Metals with Eddy-Current Instruments
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