GB/T 30040.5-2013
Leak detection systeMs―Part 5:Tank gauge leak detection systems 双层罐渗漏检测系统 第5部分:储罐液位仪测漏系统 |
GB/T 30040.7-2013
Leak detection systeMs―Part 7:General requirements and test methods for interstitial spaces,leak protecting linings and leak protecting jacket 双层罐渗漏检测系统 第7部分:双层间隙、防渗漏衬里及防渗漏外套的一般要求和试验方法 |
GB/T 3260.2-2013
Methods for chemical analysis of tin―Part 2:Determination of iron content―1,10-phenanthroline photometric method 锡化学分析方法 第2部分:铁量的测定 1,10-二氮杂菲分光光度法 |
GB/T 30148-2013
Security alarM equipments―EMC immunity requirements and test methods 安全防范报警设备 电磁兼容抗扰度要求和试验方法 |
GB/T 30143-2013
Specification for YZR series of wound-rotor three-phase induction Motors for crane and metallurgical applications YZR系列起重及冶金用绕线转子三相异步电动机技术条件(机座号450~500) |
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