NBN C 52-250-1977 8125 《安全变压器》.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 50065-4-4-2003 Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148 5 kHz - Part 4-4 Low voltage decoupling filter Impedance filter German .pdf

DIN EN 50065-4-5-2003 Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148 5 kHz - Part 4-5 Low voltage decoupling filter Segmentation filter Germ.pdf

DIN EN 50065-4-6-2005 Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148 5 kHz - Part 4-6 Low voltage decoupling filters - Phase coupler German .pdf

DIN EN 50065-4-7-2006 Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148 5 kHz and from 1 6 MHz to 30 MHz - Part 4-7 Portable low voltage decoup.pdf

DIN EN 50065-7-2002 Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148 5 kHz - Part 7 Equipment impedance German version EN 50065-7 2001《频率范围为3k.pdf

DIN EN 50068 A1-1995 Wrought steel enclosures for gas-filled high-voltage switchgear and controlgear Amendment A1 German version EN 50068 1991 A1 1993《充气高压开关设备和控制装置用精锻钢外壳 修改件 A1 德文.pdf

DIN EN 50068-1993 A c switchgear and controlgear for voltages above 1 kV wrought steel enclosures for gas-filled high-voltage switchgear and controlgear German version EN 50068 199.pdf

DIN EN 50069 A1-1995 Welded composite enclosures of cast and wrought aluminium alloys for gas-filled high-voltage switchgear and controlgear Amendment A1 German version EN 50069 19.pdf

DIN EN 50069-1993 A c switchgear and controlgear for voltages above 1 kV welded composite enclosures of cast and wrought aluminium alloys for gas-filled high-voltage switchgear and.pdf