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《Metal Finishing》1982年第3期介绍了几种新型测厚仪。Elcometer 255F型袖珍测厚仪:用于测量铁质材料上的非磁性涂层厚度,量程为:0—
“Metal Finishing” No. 3 of 1982 introduced several new thickness gauge. Elcometer 255F Pocket Gage: Used to measure the thickness of non-magnetic coatings on ferrous materials, measuring range: 0-