NBN S 01-202-1979 5625 Acoustics - Determination of sound power levels of noise sources -Precision methods for discrete-frequency and narrow-band sources in reverberation rooms《声学 .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

GOST R 56006-2014 Pipeline valves Testing and acceptance on objects of the gas main pipelines before commissioning General technical requirements《管道阀门 调试前对燃气主管道对象的测试和验收 通用技术要求》.pdf

GOST R 56007-2014 Conformity assessment Procedure for obligatory confirmation of product compliance to requirements of technical regulation of the Customs union On safety of perfum.pdf

GOST R 56008-2014 Conformity assessment Procedure for obligatory confirmation of product compliance to requirements of technical regulation of the Customs union On safety of furnit.pdf

GOST R 56009-2014 Conformity assessment Procedure for obligatory confirmation of product compliance to requirements of technical regulation of the Customs union On safety of packag.pdf

GOST R 56010-2014 Conformity assessment Procedure for obligatory confirmation of product compliance to requirements of technical regulation of the Customs union On the safety of pr.pdf

GOST R 56011-2014 Conformity assessment Procedure for obligatory confirmation of product compliance to requirements of technical regulation of the Customs union On requirements formari.pdf

GOST R 56012-2014 Conformity assessment Procedure for the obligatory confirmation of product conformity to requirements of the technical regulation of the customs union On safety rs .pdf

GOST R 56013-2014 Conformity assessment Procedure for obligatory confirmation of product compliance to requirements of technical regulation of the Customs union On safety of machin.pdf

GOST R 56014-2014 Conformity assessment Procedure for obligatory confirmation of product compliance to requirements of technical regulation of the Customs union On safety of indivi.pdf