VF2377 Pencil Hardness Tester's video
7883 plays · 2016-01-26
Videos > Pencil Hardness Tester > VF2377
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Product description
TQC VF2377 Hand push Pencil Hardness Tester can load weight 750g + 1000g, meet ISO, ASTM, JIS and other domestic (CN) and foreign standards, VF2377 has a knob at the bottom to replace the weight. According to Wolff Wilborn specification measurement