NBN S 25-003-1989 6250 Safety of toys - Part 3 Migration of certain elements《玩具的安全 第3部分：部分部件的移位》.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-605-1937 Noise from propellers with symmetrical sections at zero blade angle《在零桨叶角时带有匀称截面螺旋桨的噪音》.pdf

NASA NACA-TN-646-1938 Wind-tunnel tests of a 2-engine airplane model as a preliminary study of flight conditions arising on the failure of one engine《作为一个发动机故障引起的飞行条件初步研究对有2个发动机飞机模.pdf

NASA NACA-TN-702-1936 Wind-tunnel tests of several forms of fixed wing slot in combination with a slotted flap on an N A C A 23012 airfoil《固定式翼缝和在N A C A 23012机翼上开缝襟翼若干形式的风洞试验》.pdf

NASA NACA-TN-703-1939 Wind-tunnel investigation of effect of yaw on lateral-stability characteristics I - four N A C A 23012 wings of various plan forms with and without dihedral《偏.pdf

NASA NACA-TN-705-1939 Wind-tunnel investigation of ground effect on wings with flaps《带有襟翼机翼地面效应的风洞研究》.pdf

NASA NACA-TN-708-1939 A simplified method for the calculation of airfoil pressure distribution《机翼压力分布的计算简化方法》.pdf

NASA NACA-TN-715-1939 Wind-tunnel investigation of an N A C A 23012 airfoil with two arrangements of a wide-chord slotted flap《带有宽弦开缝襟翼两种形式的NACA 23012机翼的风洞研究》.pdf

NASA NACA-TN-719-1939 The effects of partial-span slotted flaps on the aerodynamic characteristics of a rectangular and a tapered N A C A 23012 wing《部分展翼的开缝襟翼对矩形和锥形NACA 23012机翼空气动力.pdf

NASA NACA-TN-730-1939 Wind-tunnel investigation of effect of yaw on lateral-stability characteristics II - rectangular N A C A 23012 wing with a circular fuselage and a fin《偏航对带有圆形.pdf