DS ETS 300047-3-1994 Integrated Services Digital Network (ISDN) Basic access safety and protection Part 3 Interface Ia portection《综合业务数字网（ISDN） 基本接入 安全和保护 第3部分：接口la 保护》.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

DIN EN 61041-1-1996 Non-broadcast video tape recorders - Methods of measurement - Part 1 General video (NTSC PAL) and audio (longitudinal) characteristics (IEC 61041-1 1990) German.pdf

DIN EN 61041-2-1996 Non-broadcast videotape recorders - Methods of measurement - Part 2 Video characteristics chrominance SECAM (IEC 61041-2 1994) German version EN 61041-2 1996《非广.pdf

DIN EN 61041-3-1996 Non-broadcast videotape recorders - Methods of measurement - Part 3 Audio characteristics for FM recording (IEC 61041-3 1993) German version EN 61041-3 1995《非广播.pdf

DIN EN 61041-4-1998 Non-broadcast video tape recorders - Methods of measurement - Part 4 Calibration tape (NTSC PAL SECAM) (IEC 61041-4 1997) German version EN 61041-4 1997《非广播用磁带录.pdf

DIN EN 61041-5-1998 Non-broadcast video tape recorders - Methods of measurement - Part 5 High-band video tape recorders including those equipped with Y C video connectors (NTSC PAL.pdf

DIN EN 61043-1994 Electroacoustics instruments for the measurement of sound intensity measurement with pairs of pressure sensing microphones (IEC 61043 1993) German version EN 6104.pdf

DIN EN 61044-1994 Opportunity-charging of lead-acid traction batteries (IEC 61044 1990) German version EN 61044 1992《牵引用铅酸蓄电池的中间充电》.pdf

DIN EN 61047-2005 DC or AC supplied electronic step-down convertors for filament lamps - Performance requirements (IEC 61047 2004) German version EN 61047 2004《钨丝灯用直流或交流供电电子降压转换器 性.pdf

DIN EN 61049-1994 Capacitors for use in tubular fluorescent and other discharge lamp circuits performance requirements (IEC 61049 1991 modified + Corrigendum 1992) German version E.pdf