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Anzahl der Treffer (Daten werden monatlich aktualisiert): 83776
Weiter Weiter| 26031 - 26040 | 26041 - 26050|26051 - 26060 |Weiter Weiter

GB/T 38171-2019

金属螯合层析介质

Metal chelating chromatographic medium

GB/T 17166-2019

能源审计技术通则

General principle of energy audits

GB/T 19212.13-2019

变压器、电抗器、电源装置及其组合的安全 第13部分:恒压变压器和电源装置的特殊要求和试验

Safety of transformers,reactors,power supply units and combination thereof—Part 13: Particular requirements and tests for constant voltage transformers and power supply units for constant voltage

GB/T 38231-2019

金属和合金的腐蚀 金属材料在高温腐蚀条件下的热循环暴露氧化试验方法

Corrosion of metals and alloys—Test method for thermal-cycling exposure oxidation testing under high-temperature corrosion conditions for metallic materials

GB/T 39069-2020

商务楼宇等级划分要求

Grade requirements for office building

GB/T 39000-2020

乡村民宿服务质量规范

Specification of service quality for rural homestay inn

GB/T 39049-2020

历史文化名村保护与修复技术指南

Technical guidelines for the conservation and restoration of historical and cultural villages

GB/T 38221-2019

环境保护设施运营组织服务评价技术要求

Technical requirements of the services assessment for the operation organization of environmental protection facilities

GB/T 14506.34-2019

硅酸盐岩石化学分析方法 第34部分:烧失量的测定 重量法

Methods for chemical analysis of silicate rocks—Part 34 :Determination of loss on ignition—Gravimetric method

GB/T 29311-2020

电气绝缘材料和系统 交流电压耐久性评定

Electrical insulating materials and systems—AC voltage endurance evaluation

Anzahl der Treffer (Daten werden monatlich aktualisiert): 83776
Weiter Weiter| 26031 - 26040 | 26041 - 26050|26051 - 26060 |Weiter Weiter