塑料简支梁、悬臂梁和拉伸冲击试验用摆锤冲击试验机的检验
Verification of pendulum impact-testing machines used for charpy, lzod and tensile impact-testing of plastics (1SO 13802:1999,Plastics-Verification of pendulum impact-testingmachines-Charpy,lzod and tensile impact-testing,MOD)