NF F14-002-1980 Railway transport equipment Railway vehicle signalling Removable signalling Signal bracket Characteristics 《铁路运输设备 铁路车辆信号装置 可移动信号装置 信号灯支架 特性》.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

NASA NACA-TN-1193-1947 Effect of product of inertia on lateral stability《惯性积对横向稳定性的影响》.pdf

NASA NACA-TN-1197-1947 Some investigations of the general instability of stiffened metal cylinders VIII - stiffened metal cylinders subjected to pure torsion《硬化金属汽缸VIII一般稳定性的一些研究 承.pdf

NASA NACA-TN-1212-1947 Effect of reflex camber on the aerodynamic characteristics of a highly tapered moderately swept-back wing at Reynolds numbers up to 8 000 000《当雷诺数为8 000 000时.pdf

NASA NACA-TN-1222-1947 Buckling stresses of simply supported rectangular flat plates in shear《受剪的简支矩形平板和屈曲应力》.pdf

NASA NACA-TN-1245-1947 Summary of lateral-control research《横向控制研究的总结》.pdf

NASA NACA-TN-1248-1947 Wind-tunnel investigation of control-surface characteristics of plain and balanced flaps with several trailing-edge angles on a NACA 0009 tapered semispan wi.pdf

NASA NACA-TN-1270-1947 Experimental and calculated characteristics of several NACA 44-series wings with aspect ratios of 8 10 and 12 and taper ratios of 2 5 and 3 5《展弦比为8 10和12且锥形比.pdf

NASA NACA-TN-1277-1947 Two-dimensional wind-tunnel investigation of the NACA 64(sub 1)-012 airfoil equipped with two types of leading-edge flap《装配有两种类型前缘襟翼NACA 64(下标1)-012机翼的二维风洞研究.pdf

NASA NACA-TN-1278-1947 Experimental determination of the damping in roll and aileron rolling effectiveness of three wings having 2 degrees 42 degrees and 62 degrees sweepback《带有2 4.pdf