UNI 6730-1970 Site of the principal fixed signals on the railway lines 《铁路线上固定装置的主要信号的分布》.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

JJG(机械) 99-1992 电动单元组合仪表压力、差压变送器检定规程.pdf

JJG(核工) 1-1991 含氢正比计数管(工作级)检定规程.pdf

JJG(核工) 10-1991 用标准级锗γ谱仪测定点状γ射线源检定方法.pdf

JJG(核工) 11-1991 用2π多丝正比计数器测定α、β平面源的发射率检定方法.pdf

JJG(核工) 12-1991 用单管液体闪烁计数器标准装置测定放射性溶液的比活度检定方法.pdf

JJG(核工) 13-1991 用4πβ流气式正比计数器标准装置测定B放射性溶液的比活度检定方法.pdf

JJG(核工) 14-1991 防护水平X、γ剂量计检定规程.pdf

JJG(核工) 15-1991 防护水平β剂量率仪检定规程.pdf

JJG(核工) 16-1991 用栅网电离室标准装置测定α平面源的表面发射率检定方法.pdf