SIS SS 63 63 47-1991 Telecommunications equipment Private Branch Exchanges (PBXs) Signalling requirements in analogue interface for ex- change line with direct dialling-in servic.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 12750-1991 半导体集成电路分规范 (不包括混合电路) (可供认证用).pdf

GB T 12750-2006 半导体器件 集成电路 第11部分：半导体集成电路分规范(不包括混合电路).pdf

GB T 12751-1991 电视同步期传一路高质量声音的技术规范.pdf

GB T 12752-1991 船用罗兰C接收设备通用技术条件.pdf

GB T 12763.1-1991 海洋调查规范 总则.pdf

GB T 12763.1-2007 海洋调查规范 第1部分：总则.pdf

GB T 12763.10-2007 海洋调查规范 第10部分：海底地形地貌调查.pdf

GB T 12763.11-2007 海洋调查规范 第11部分：海洋工程地质调查.pdf

GB T 12763.2-1991 海洋调查规范 海洋水文观测.pdf