STAS 5942-1973 PROTECTION AGAINST IONI- ZING RADIATIONS Maximum permissible doses《防护铁锌放射性 可允许最大计量》.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

GB T 27670-2011 车辆热交换器用复合铝合金焊管.pdf

GB T 27671-2011 导电用铜型材.pdf

GB T 27672-2011 焊割用铜及铜合金无缝管.pdf

GB T 27673-2011 硫化铜、铅、锌和镍精矿 散装干物料质量损失的测定.pdf

GB T 28001-2001 职业健康安全管理体系 规范.pdf

GB T 28002-2002 职业健康安全管理体系 指南.pdf

GB T 28026.1-2011 轨道交通.地面装置.第1部分 电气安全和接地相关的安全性措施.pdf

GB T 28026.2-2011 轨道交通.地面装置.第2部分 直流牵引系统杂散电流防护措施.pdf

GB T 28027-2011 轨道交通.供电系统和机车车辆运行匹配.pdf