GB/T 18658-2018摆锤式冲击试验机间接检验用夏比V型缺口标准试样国家标准
英文:Charpy V-notch reference test pieces for indirect verification of pendulum impact testing machines GB/T 18658-2018介绍:...
英文:Charpy V-notch reference test pieces for indirect verification of pendulum impact testing machines GB/T 18658-2018介绍:...