ONORM M 9531-1987 Steel wire ropes carrying ropes multi-strand spiral ropes《钢丝绳 吊重绳 多股螺旋绳》.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

EN 1793-2-2012 en Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 2 Intrinsic characteristics of airborne sound insulation under d.pdf

EN 1793-2-2018 en Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 2 Intrinsic characteristics of airborne sound insulation under d.pdf

EN 1793-3-1997 en Road Traffic Noise Reducing Devices - Test Method for Determining the Acoustic Performance - Part 3 Normalized Traffic Noise Spectrum《道路交通噪声减低装置 声学性能测定的试验方法 第3部分 .pdf

EN 1793-4-2015 en Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 4 Intrinsic characteristics - In situ values of sound diffractio.pdf

EN 1793-5-2016 en Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 5 Intrinsic characteristics - In situ values of sound reflection.pdf

EN 1793-6-2012 en Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 6 Intrinsic characteristics - In situ values of airborne sound i.pdf

EN 1793-6-2018 en Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 6 Intrinsic characteristics - In situ values of airborne sound i.pdf

EN 1794-1-2011 en Road traffic noise reducing devices - Non-acoustic performance - Part 1 Mechanical performance and stability requirements《道路交通噪声降低装置 非声学性能 第1部分 机械性能和稳定性要求》.pdf

EN 1794-1-2018 en Road traffic noise reducing devices - Non-acoustic performance - Part 1 Mechanical performance and stability requirements.pdf