NC 90-00-13-1985 Metrological Assurance International Unit System Inch-Millmetor and Eillmeter-Inch Converaion《地铁合理保证措施 国际单位体系 英寸，毫米和微米 英寸换算》.pdf

相关资源

IRS 70778-2-2018 Recommendations for determining the carrying capacity and fatigue risks of existing metallic railway bridges.pdf

IRS 70712-2018 Rail defects.pdf

IRS 50596-6-2018 Conditions for coding intermodal loading units in combined transport combined transport lines and wagons.pdf

IRS 50596-5-2018 Transport of road vehicles on wagons-Technical Organisation-Conveyance of semi-trailers with P coding or N coding on recess wagons.pdf

IESNA TM-23-2017 Lighting Control Protocols.pdf

IESNA RP-2-2017 Recommended Practice for Retail Lighting.pdf

ITU-R RAPPORT M 766-2 FRENCH-1990 Feasibility of frequency sharing between the GPS and other services《全球定位系统和其他服务之间的频率共享的可行性》.pdf

ITU-R RAPPORT M 763-3 FRENCH-1990 Signal level variation due to multipath effects and blockage by ship-s superstructure in maritime mobile-satellite service lin.pdf

ITU-R RAPPORT M 739-1 FRENCH-1986 Interference due to intermodulation products in the land mobile service between 25 and 100 MHz《由于互调产物在陆地移动服务25和100 MHz之间产生的干扰》.pdf

ITU-R RAPPORT M 319-7 FRENCH-1990 Characteristics of equipment and principles governing the assignment of frequency channels between 25 and 100 MHz for land mob.pdf

猜你喜欢

ASTM E1961-2006 Standard Practice for Mechanized Ultrasonic Testing of Girth Welds Using Zonal Discrimination with Focused Search Units《使用带聚焦检测装置的带状识别机械化超声检验环型焊缝的标准实施规范》.pdf

ASTM E1961-2011 Standard Practice for Mechanized Ultrasonic Testing of Girth Welds Using Zonal Discrimination with Focused Search Units《通过使用带聚焦式探测装置的带状鉴别法对环形焊缝进行机械化超声波检查的标准操作规程》.pdf

ASTM E1961-2016 Standard Practice for Mechanized Ultrasonic Testing of Girth Welds Using Zonal Discrimination with Focused Search Units《采用带有聚焦搜索组件的区域性辨别而对环缝焊接进行机械化超声波试验的标准实施规程》.pdf

ASTM E1962-2004 Standard Test Method for Ultrasonic Surface Examinations Using Electromagnetic Acoustic Transducer (EMAT) Techniques《用电磁声换能器技术进行超声表面检验的标准试验方法》.pdf

ASTM E1962-2009 Standard Practice for Ultrasonic Surface Testing Using Electromagnetic Acoustic Transducer (EMAT) Techniques《用电磁声换能器(EMAT)技术的超声波测试用标准实用规程》.pdf

ASTM E1962-2014 Standard Practice for Ultrasonic Surface Testing Using Electromagnetic Acoustic Transducer &40 EMAT&41 Techniques《应用电磁声换能器 (EMAT) 技术的超声表面检测的标准实施规程》.pdf

ASTM E1963-2002 Standard Guide for Conducting Terrestrial Plant Toxicity Tests《陆上植物毒性试验的标准指南》.pdf

ASTM E1963-2009 Standard Guide for Conducting Terrestrial Plant Toxicity Tests《陆上植物毒性试验的标准指南》.pdf

ASTM E1963-2009(2014) Standard Guide for Conducting Terrestrial Plant Toxicity Tests《陆上植物毒性试验的标准实施指南》.pdf