ITU-R REPORT BT 956-2-1990 Data broadcasting systems signal and service quality field trials and theoretical studies《数据广播系统 信号和业务质量的实地测验以及理论研究》.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

BS EN 486-2009 Aluminium and aluminium alloys - Extrusion ingots - Specifications《铝和铝合金 挤压铸锭 规范》.pdf

BS EN 487-2009 Aluminium and aluminium alloys - Rolling ingots - Specifications《铝和铝合金 轧制铸锭的规范》.pdf

BS EN 488-2015 District heating pipes Preinsulated bonded pipe systems for directly buried hot water networks Steel valve assembly for steel service pipes polyurethane thermal insu.pdf

BS EN 489-2009 District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Joint assembly for steel service pipes polyurethane thermal insula.pdf

BS EN 49-1-2016 Wood preservatives Determination of the protective effectiveness against Anobium punctatum (De Geer) by egg-laying and larval survival Application by surface treatm.pdf

BS EN 49-2-2015 Wood preservatives Determination of the protective effectiveness against Anobium punctatum (De Geer) by egg-laying and larval survival Application by impregnation (.pdf

BS EN 490-2011 Concrete roofing tiles and fittings for roof covering and wall cladding Product specifications《屋顶覆盖物和墙面饰层用混凝土屋面瓦及配件 产品规范》.pdf

BS EN 491-2011 Concrete roofing tiles and fittings for roof covering and wall cladding Test methods《屋顶覆盖物和墙面饰层用混凝土屋面瓦及配件 试验方法》.pdf

BS EN 492-2012 Fibre-cement slates and fittings Product specification and test methods《纤维水泥板和配件 产品规范和试验方法》.pdf