SN 219 802-1981 Stopvalves for water supply in buildings《铜线，圆形漆包绝缘涂层等级C2 1）尺寸》.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

IEC 60151-26-1971 Measurements of the electrical properties of electronic tubes Part 26 Methods of measurement for camera tubes《电子管电性能的测量 第26部分 摄像管的测量方法》.pdf

IEC 60151-27-1974 Measurements of the electrical properties of electronic tubes Part 27 Methods of measurement for intermodulation products in transmitting tubes《电子管电性能的测量 第27部分 发射管互调分量的测量方法》.pdf

IEC 60151-28-1978 Measurements of the electrical properties of electronic tubes Part 28 Methods of measurement of colour television picture tubes《电子管电性能的测量 第28部分 彩色电视显像管的测量方法》.pdf

IEC 60151-3-1963 Measurements of the electrical properties of electronic tubes Part 3 Measurement of equivalent input and output admittances《电子管电性能的测量 第3部分 等效输入和输出导纳的测量》.pdf

IEC 60151-4-1963 Measurements of the electrical properties of electronic tubes Part 4 Methods of measuring noise factor《电子管电性能的测量 第4部分 噪声系数的测量方法》.pdf

IEC 60151-5-1964 Measurements of the electrical properties of electronic tubes Part 5 Methods of measuring hiss and hum《电子管电性能的测量 第5部分 嘘声和哼声的测量方法》.pdf

IEC 60151-7-1964 Measurements of the electrical properties of electronic tubes Part 7 Measurement of equivalent noise resistance《电子管电性能的测量 第7部分 等效噪声电阻的测量》.pdf

IEC 60151-8-1966 Measurements of the electrical properties of electronic tubes Part 8 Measurement of cathode heating time and heater warm-up time《电子管电性能的测量 第8部分 阴极加热时间和热丝加热时间的测量》.pdf

IEC 60151-9-1966 Measurements of the electrical properties of electronic tubes Part 9 Methods of measuring the cathode-interface impedance《电子管电性能的测量 第9部分 阴极中间层阻抗的测量方法》.pdf