EN 29053-1993 en Acoustics - Materials for Acoustical Applications - Determination of Airflow Resistance《声学 声学应用材料 空气流动阻力的测定(ISO 9053-1991)》.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

2011届北京五中高三上学期期中考试物理试卷与答案.doc

2011届北京市东城区高三第一学期期末考试物理试卷与答案.doc

2011届北京市丰台区高三下学期统一练习（二）（理综）化学部分.doc

2011届北京市丰台区高三第一学期期末考试物理试卷与答案.doc

2011届北京市房山区高三第一学期期末考试物理试卷与答案.doc

2011届北京市朝阳区高三第一次综合理科物理卷.doc

2011届北京市朝阳区高三第一次综合练习（理综）化学部分.doc

2011届北京市海淀区高三下学期期中考试（理综）化学部分.doc

2011届北京市海淀区高三第二学期查漏补缺物理试题B.doc