JUS N R1 113-1977 Electronic tubes Measurements oftke electrical properties Methods of measurement oj emission current from hot cathodesjor high - vacuum ekctronic tubes and valves.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

JC T 2212-2014 常压固相烧结碳化硅陶瓷热交换管.pdf

JC T 2213-2014 介电陶瓷材料锆钛酸钡 锆、钛和钡含量的测定 X射线荧光光谱法.pdf

JC T 2214-2014 钢筋陶粒混凝土轻质墙板.pdf

JC T 2217-2014 环氧权脂防水涂料.pdf

JC T 2218-2014 防水卷材沥青技术要求.pdf

JC T 2219-2014 改性无机粉复合建筑饰面片材.pdf

JC T 222-1994 石棉绳.pdf

JC T 222-2009 石棉绳.pdf

JC T 2220-2014 铝合镏金我T型龙骨.pdf