SIS SS-IEC 781-1991 Application guide for calculation of short-circuit currents in low-voltage radial systems《低压辐射系统中短路电流计算应用指南》.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 A909 A909M-2006(2016) Standard Specification for Steel Forgings Microalloy for General Industrial Use《一般工业用途微合金钢锻件的标准规格》.pdf

ASTM A910 A910M-2005 Standard Specification for Uncoated Weldless 2- and 3-Wire Steel Strand for Prestressed Concrete《预应力混凝土用未涂覆无焊缝2和3股钢丝绞绳标准规范》.pdf

ASTM A910 A910M-2010 Standard Specification for Uncoated Weldless 2- and 3-Wire Steel Strand for Prestressed Concrete《预应力混凝土用无涂层、无焊缝2股和3股钢绞线标准规范》.pdf

ASTM A910 A910M-2012 Standard Specification for Uncoated Weldless 2-Wire and 3-Wire Steel Strand for Prestressed Concrete《预应力混凝土用无涂层、无焊缝2股和3股钢绞线标准规格》.pdf

ASTM A910 A910M-2016 Standard Specification for Uncoated Weldless 2-Wire and 3-Wire Steel Strand for Prestressed Concrete《预应力混凝土用未涂覆 未焊接的2股和3股钢绞线的标准规格》.pdf

ASTM A910 A910M-2018 Standard Specification for Uncoated Weldless 2-Wire and 3-Wire Steel Strand for Prestressed Concrete《预应力混凝土用无涂层无焊接2线和3线钢绞线的标准规范》.pdf

ASTM A911 A911M-2005 Standard Specification for Uncoated Stress-Relieved Steel Bars for Prestressed Concrete Ties《预应力混凝土轨枕用无涂层应力消除钢棒材》.pdf

ASTM A911 A911M-2011 Standard Specification for Uncoated Stress-Relieved Steel Bars for Prestressed Concrete Ties《预应力混凝土轨枕用无涂层应力消除钢棒材》.pdf

ASTM A911 A911M-2015 Standard Specification for Low-Relaxation Steel Bars for Prestressed Concrete Railroad Ties《预应力混凝土铁路轨枕用低松弛钢筋的标准规格》.pdf