CSN ON 42 1423-1963 《钢条（规格，技术补充协定）》.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 61041-2-1996 Non-broadcast video tape recorders - Methods of measurement - Video characteristics chrominance SECAM《非播放用磁带录像机 测量方法 彩色视频特征SECAM》.pdf

BS EN 61041-3-1994 Non-broadcast video tape recorders - Methods of measurement - Audio characteristics for FM recording《非播放磁带录像机 测量方法 FM制式录音用声频特性》.pdf

BS EN 61041-4-1998 Non-broadcast video tape recorders - Methods of measurement - Calibration tape (NTSC PAL SECAM)《非播放用磁带录像机 测量方法 校准带(NTSC PAL SECAM)》.pdf

BS EN 61041-5-1998 Non-broadcast video tape recorders - Methods of measurement - High-band video tape recorders including those equipped with Y C video connectors (NTSC PAL)《非播放用磁带.pdf

BS EN 61043-1994 Specification for electroacoustics - Instruments for the measurement of sound intensity - Measurement with pairs of pressure sensing microphones《电声学规范 声强测量仪 双压传感传声.pdf

BS EN 61044-1993 Opportunity-charging of lead-acid traction batteries《铅酸牵引蓄电池组的临时性充电》.pdf

BS EN 61047-2004 D C or A C supplied electronic step-down convertors for filament lamps - Performance requirements《钨丝灯用交直流供电电子降压转换器 性能要求》.pdf

BS EN 61048-2006 Auxiliaries for lamps Capacitors for use in tubular fluorescent and other discharge lamp circuits General and safety requirements《灯具辅件 管形荧光灯和其它放电电灯电路用电容器 安全性要求和一般要.pdf

BS EN 61049-1993 Specification for capacitors for use in tubular fluorescent and other discharge lamp circuits - Performance requirements《管形荧光灯和其它放电灯电路用电容器性能要求规范》.pdf