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VF2378 Pencil Hardness Tester's video
NBCHAOVIDEO16401 plays · · 2016-07-16
TQC pencil Hardness Tester model VF2378 meets ASTM, ISO, JIS and GB/T6739-2006 pencil hardness testing standards, providing 750g standard load pencil hardness testing special instrument. VF2378 contains calibrated certificate, according to Wolff Wilborn specification measurement
TQC sheen VF2378 Pencil Hardness Tester

Brand：TQC sheen

Model：VF2378

Name：Pencil Hardness Tester

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