MSZ 21470 31-1982 《土壤环保检验，环草定含量测定》.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

YD 5111-2009 2GHz WCDMA数字蜂窝移动通信网工程设计暂行规定.pdf

YD 5112-2008 2GHz TD-SCDMA数字蜂窝移动通信网工程设计暂行规定.pdf

YD 5122-2010 波分复用 光纤传输系统工程验收规范 .pdf

YD 5131-2005 移动通信塔桅设计.pdf

YD 5133-2015 移动通信钢塔桅工程施工监理规范.pdf

YD 5138-2005 本地通信线路工程验收规范.pdf

YD 5144-2007 自动交换光网络 工程设计暂行规定.pdf

YD 5148-2007 架空光 缆通信杆路工程设计规范.pdf

YD 5151-2007 光缆进线室设计规定.pdf