NEN 6549-1988 Water for boiler plants Photometric determination of total hardness《锅炉装置因为水 总硬度的光度法测定》.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

DIN EN 117000-1992 Generic specifications solid state all-or-nothing relays of assessed quality generic data and methods of test german version EN 117000 1991《总规范 经质量评定的固态全有或全无继电器 .pdf

DIN EN 120001-1993 Blank detail specification light emitting diodes light emitting diode arrays light emitting diode displays without internal logic and resistor German version EN .pdf

DIN EN 120002-1997 Blank detail specification Infrared emitting diodes infrared emitting diode arrays German version EN 120002 1992《空白详细规范 红外线发射二极管和红外线发射二极管阵列》.pdf

DIN EN 120003-1996 Blank detail specification - Phototransistors photodarlington transistors phototransistor arrays German version EN 120003 1992《空白详细规范 光电晶体管、光电复合晶体管、光电晶体管阵列》.pdf

DIN EN 120004-1997 Blank detail specification Ambient rated photocouplers with phototransistor output German version EN 120004 1992《空白详细规范 与光电晶体管输出匹配的环境级光电耦合器》.pdf

DIN EN 120005-1996 Blank detail specification - Photodiodes photodiode-arrays (not intended for fibre optic applications) German version EN 120005 1992《空白详细规范 光电二极管 光电二极管阵列(非光纤用)》.pdf

DIN EN 120007-1993 Blank detail specification Liquid Crystal Displays monochrome LCDs without electronic circuit German version EN 120007 1992《空白详细规范 液晶显示器 无电子电路的单色液晶显示器》.pdf

DIN EN 122001-1996 Blank detail specification CECC military specification for radio frequency connectors [type MIL-C-39012] German version EN 122001 1993《空白详细规范 射频连接器 CECC军用规范型MIL-.pdf

DIN EN 122002-1996 Blank detail specification Radio frequency coaxial connectors German version EN 122002 1993《空白详细规范 射频同轴连接器》.pdf