International Classification for Standards (ICS)

19 TESTING 试验
19.020 Test conditions and procedures in general 试验条件和规程综合
19.040 Environmental testing 环境试验
19.060 Mechanical testing 机械试验
19.080 Electrical and electronic testing 电工和电子试验

19.100 Non-destructive testing 无损检测
19.120 Particle size analysis. sieving 粒度分析、筛分