JUS N R4 499-1990 Electrcmechanical components for eiectronic epuipment Test methods Tast 12e Resistance to soide- ring heat iron method《电子装置用机电元件 测试方法 试验12e：铁焊法测量焊接加热阻力》.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 2591-214-2012 Aerospace series Elements of electrical and optical connection Test methods Lightning strike current and voltage pulse《航空航天系列 电气和光学连接元件 试验方法 雷击 电流和电压脉冲》.pdf

BS EN 2591-216-1998 Elements of electrical and optical connection - Test methods - Engagement depth of contacts《光电连接元件 试验方法 接触点啮合长度》.pdf

BS EN 2591-217-2002 Elements of electrical and optical connection - Test methods - Voltage drop under specified current for terminal lugs and in-line splices《电气和光学连接元件 试验方法 终端接线片和连.pdf

BS EN 2591-218-2002 Elements of electrical and optical connection - Test methods - Ageing of terminal lugs and in-line splices by temperature and current cycling《电气和光学连接元件 试验方法 用温度.pdf

BS EN 2591-219-2002 Elements of electrical and optical connection - Test methods - Voltage strength for insulated terminal lugs and in-line splices《电器和光学连接元件 试验方法 绝缘终端接线片和连机拼合接头的电压.pdf

BS EN 2591-220-2005 Elements of electrical and optical connection — Test methods — Part 220 Contact conductor joint ageing by current and temperature cycling《航空航天系列 电和光学连接元件 试验方法 电.pdf

BS EN 2591-221-2007 Aerospace series - Elements of electrical and optical connection - Test methods - Part 221 Voltage Standing Wave Ratio n(VSWR)《航空航天系列 电气和光学连接器的元件 试验方法 第221部分 电压.pdf

BS EN 2591-222-2007 Aerospace series - Elements of electrical and optical connection - Testm ethods - Part 222 Insertion Loss (I L )《航空航天系列 电气和光学连接器的元件 试验方法 插入损失(I L )》.pdf

BS EN 2591-223-2007 Aerospace series - nElements of electrical nand optical nconnection - nTest methods - nPart 223 Measurement of characteristic impedance of a coaxial connector o.pdf