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YongLiDa QBY Film pendulum Hardness Gauge
QBY film pendulum Hardness Gauge is a manual stopwatch (need to bring your own) counting pendulum Hardness Gauge, QBY film pendulum Hardness Gauge pendulum length of 500 +/- 1mm, in line with GB and ISO standards.
YongLiDa QBY Film pendulum Hardness GaugeKey Spec.
QBY Film pendulum Hardness Gauge
Details