NF A81-950-1991 Arc welding Covered electrodes for wet manual welding depositing a mild alloy steel Specification 《电弧焊 沉积软合金钢的湿式手工焊接用涂药焊条 规范》.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

CH T 3011-2012 1 50000地形图合成孔径雷达航空摄影测量技术规定.pdf

CH T 3012-2014 数字表面模型-航空摄影测量生产技术规程.pdf

CH T 3013-2014 数字表面模型-航天摄影测量生产技术规程.pdf

CH T 3014-2014 数字表面模型-机载激光雷达测量技术规程.pdf

CH T 4006-1998 德宏傣语地名汉字译音规则.pdf

CH T 4011-1999 1∶500 000地形图编绘规范及图式.pdf

CH T 4014-1999 西双版纳傣语地名汉字译音规则.pdf

CH T 4017-2012 矢量地图符号制作规范.pdf

CH T 4018-2013 基础地理信息应急制图规范.pdf