NS 3550-1986 Testing tightness of sewers and manholes by means of air.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

GB T 21982-2008 动物源食品中玉米赤霉醇、β-玉米赤霉醇、α-玉米赤霉烯醇、β-玉米赤霉烯醇、玉米赤霉酮和玉米赤霉烯酮残留量检测方法.液相色谱-质谱 质谱法.pdf

GB T 21983-2008 暖冬等级.pdf

GB T 21984-2008 短期天气预报.pdf

GB T 21985-2008 主要农作物高温危害温度指标.pdf

GB T 21986-2008 农业气候影响评价 农作物气候年型划分方法.pdf

GB T 21987-2008 寒潮等级.pdf

GB T 21988-2008 塑料.氯乙烯均聚和共聚树脂.水中筛分析.pdf

GB T 21989-2008 塑料.聚氯乙烯糊.用Severs流变仪测定表观黏度.pdf

GB T 21990-2008 聚氯乙烯(PVC)糊.刮板细度的测定.pdf