NBC-1086 Pencil Hardness Tester's video
NBCHAOVIDEO273 plays · · 2021-04-25
CHINA electric Pencil Hardness Tester NBC-1086 test angle of 45 degrees, with 500, 750, 1000g three weights, test platform traverse speed 0.5~ 10mm/s, suitable for film Hardness test.
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