Notched bar tests - method for precision determination of charpy v - notch impact energies for metals 划痕棒材试验.第6部分:金属摆式v划痕冲击能量精密测定方法
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Notched bar tests - specification for verification of the test machine used for precision determination of charpy v - notch impact energies for metals 划痕棒材试验.第7部分:金属摆式v划痕冲击能量精密测定试验机检验规范