![]() General rules of dimensions, shape, surface, quality, testing method and inspection for expansion alloys 膨胀合金尺寸、外形、表面质量、试验方法和检验规则的一般规定 |
![]() Pressure piping code - Industrial piping - Part 5: Inspection and testing 压力管道规范 工业管道 第5部分:检验与试验 |
![]() Electrical apparatus for explosive gas atmospheres―Part 16: Inspection and maintenance of electrical installation(other than mines) 爆炸性气体环境用电气设备 第16部分: 电气装置的检查和维护(煤矿除外) |
![]() Micro-dose X-ray security inspection system - Part 2: Test block 微剂量X射线安全检查设备 第2部分:测试体 |
![]() Micro-dose X-ray security inspection system-Part 1:General technical requirements 微剂量X射线安全检查设备 第1部分:通用技术要求 |
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