Verification regulation of pendulum impact testing machine 摆锤式冲击试验机检定规程
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Pendulum impact testing machines 摆锤式冲击试验机
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Pendulum impact testing machine 摆锤式冲击试验机
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Materials testing machines - impact test - particular requirements on pendulum impact testing machines with a capacity of nominal energy 50 j and verification 材料检验机.冲击试验.额定工作能力为50 j的摆锤冲