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            MB755 spectacle frame deformation & retention tester

              This tester is designed for measuring the variation of frame spring hinge, which can bear cycles of opening and closing activities.

              GB 13511, GB/T 14214, QB 2659, QB 2457, ISO 12311

            Copyright © 2017 Quanzhou Meibang Instrument Co., Ltd. Address:Quanzhou Fujian ICP:閩ICP備10202419號-1
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