NBN-EN 352-2-1993 5625 Hearing protectors Safety requirements and testing Part 2 Earplugs《护耳器 安全要求和试验 第2部分：耳塞》.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

JUS N R8 163-1982 Cores for inductors and transformers for telecommunications Common measuring methods Losses at ow flux density《电信用感应器及变压器铁芯 通用测量方法 通量低密度中的损耗》.pdf

JUS N R8 170-1982 Cores for inductors and transformers for telecommunications Specialized measuring methods Third armonic distortion《电信用感应器及变压器铁芯 专业测量方法 三阶谐波失真》.pdf

JUS N R8 171-1982 Cores for inductors and transformers for telecommunications Specialized measuring methods Magnetic shock sensitivity《电信用感应器及变压器铁芯 专业测量方法 磁板的感应性》.pdf

JUS N R8 172-1982 Cores for inductors and transformers for telecommunications Specialized measuring methods ontribution of the adjusting device to the ore instability《电信用感应器及变压器铁芯 .pdf

JUS N R9 005-1977 Piezoelectric vibrators Quartz crystal units for frequency control and selection《压电振子 频率控制和选择用石英晶体元件》.pdf

JUS N R9 006-1977 Piezoelectric devices for frequency control and selection Quartz crystal units echnical specificatlcms and application guide《频率控制和选择用压电装置 石英晶体元件 技术规范和应用指南》.pdf

JUS N R9 030-1977 Piezoelectric vibrators Basic method for the measurement of resonance frequency and equivalent series esistanceof quartz crystalunits by zerophase technique ina t.pdf

JUS N R9 031-1986 Piezoelectric vibrators Measurement of qu- rtz crystal unit parameters by zero phase technique in a n-network Phase offsetmethod of measurement of motionaf capaci.pdf

JUS N R9 033-1989 Piezoelectric evices for frequency selection and coutrol Heasurements of quartz rystal uvit p aaieters by zero pbase technique ±n a v-netjrork ftitb compensation .pdf