CSN IEC 51-4-1992 Direct acting indicating analogue electrical measuring instruments and their accessories Part 4 Special requirements for frequency meters《直接作用模拟指示电气测量仪及其附件 第4部分：频.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

DA T 20.2-1999 民国档案目录中心数据采集标准民国档案主题标引细则.pdf

DA T 20.3-1999 民国档案目录中心数据采集标准民国档案分类标引细则.pdf

DA T 20.4-1999 民国档案目录中心数据采集标准民国档案机读目录软磁盘数据交换格式.pdf

DA T 21-1999 档案缩微品保管规范.pdf

DA T 22-2000 归档文件整理规则.pdf

DA T 24-2000 无酸档案卷皮卷盒用纸及纸板.pdf

DA T 25-2000 档案修裱技术规范.pdf

DA T 26-2000 挥发性档案防霉剂防霉效果测定法.pdf

DA T 27-2000 档案防虫剂防虫效果测定法.pdf