ETSI ETR 204-1995 Public Switched Telephone Network (PSTN) Automatic Sender for Push-Button Multifrequency Signalling (CEPT Recommendation T CS 34-08 E (1985))《公用交换电话网(PSTN) 按钮多频信令.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 18418-2017 家用卫生杀虫用品 电热蚊香液.pdf

GB T 18419-2017 家用卫生杀虫用品 杀虫气雾剂.pdf

GB T 18430.2-2016 蒸气压缩循环冷水（热泵）机组 第2部分：户用及类似用途的冷水（热泵）机组.pdf

GB T 18442.7-2017 固定式真空绝热深冷压力容器 第7部分：内容器应变强化技术规定.pdf

GB T 1845.1-2016 塑料 聚乙烯（PE）模塑和挤出材料 第1部分：命名系统和分类基础.pdf

GB T 18454-2001 液体食品无菌包装用复合袋.pdf

GB T 18468-2001 室内空气中对二氯苯卫生标准.pdf

GB T 18473-2016 工业机械电气设备 控制与驱动装置间实时串行通信数据链路.pdf

GB T 18487.2-2017 电动汽车传导充电系统 第2部分：非车载传导供电设备电磁兼容要求.pdf