CNS 14255-1998 Facepiece for respirator《呼吸防护具面体》.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

北京市2019版高考化学专题十七氮及其化合物课件20190225158.pptx

北京市2019版高考化学专题十三铁及其化合物课件20190225159.pptx

北京市2019版高考化学专题十九烃及其衍生物的结构和性质课件20190225156.pptx

北京市2019版高考化学专题十二钠铝及其化合物课件20190225155.pptx

北京市2019版高考化学专题十五氯及其化合物课件20190225161.pptx

北京市2019版高考化学专题十八有机化学基本概念课件20190225154.pptx

北京市2019版高考化学专题十六氧硫及其化合物课件20190225157.pptx

北京市2019版高考化学专题十四碳硅及其化合物课件20190225160.pptx

北京市2019版高考化学专题十盐类水解和难溶电解质的溶解平衡课件20190225153.pptx