搜索
麦多课文库
收藏
下载资源
加入VIP,免费下载
NBN-ISO 1683-1992 0000 Acoustics Preferred reference quantities for acoustic levels《声学 声级测量用的优先参考数值》.pdf
上传人:
brainfellow396
文档编号:990501
上传时间:2019-03-15
格式:PDF
页数:2
大小:36.79KB
下载
相关
举报
第1页 / 共2页
第2页 / 共2页
亲,该文档总共2页,全部预览完了,如果喜欢就下载吧!
资源描述
展开
阅读全文
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
BS EN 3645-012-2006 Aerospace series - Connectors electrical circular scoop -proof triple start threaded coupling operating temperature 175 C or 200 C continuous - Part 012 Lanyard.pdf
BS EN 3645-013-2007 Aerospace series - Connectors electrical circular scoop-proof triple start threaded coupling operating temperature 175 C or 200 C continuous - Dummy receptacle .pdf
BS EN 3646-001-2015 Aerospace series Connectors electrical circular bayonet coupling operating temperature 175 C or 200 C continuous Technical specification《航空航天系列 连续工作温度为175℃或200℃.pdf
BS EN 3646-002-2007 Aerospace series - nConnectors electrical ncircular bayonet ncoupling operating ntemperature 175 C nor 200 C continuous - nPart 002 Specification of performance.pdf
BS EN 3646-003-2006 Aerospace series - Connectors electrical circular bayonet coupling operating temperature 175 ℃ or 200 ℃ continuous - Part 003 Receptacle square flange mounting .pdf
BS EN 3646-004-2015 Aerospace series Connectors electrical circular bayonet coupling operating temperature 175 C or 200 C continuous Receptacle jam-nut mounting Product standard《航空.pdf
BS EN 3646-005-2017 Aerospace series Connectors electrical circular bayonet coupling operating temperature 175 C or 200 C continuous Receptacle hermetic square flange mounting Prod.pdf
BS EN 3646-006-2006 Aerospace series - Connectors electrical circular bayonet coupling operating temperature 175 ℃ or 200 ℃ continuous - Part 006 Receptacle hermetic jam-nut mounti.pdf
BS EN 3646-007-2015 Aerospace series Connectors electrical circular bayonet coupling operating temperature 175C or 200C continuous Receptacle hermetic round flange welding or brazi.pdf
相关搜索
NBNISO168319920000ACOUSTICSPREFERRE
声学
声级
测量
优先
参考
数值
PDF
当前位置:
首页
>
标准规范
>
国际标准
>
其他
copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
备案/许可证编号:
苏ICP备17064731号-1
登录
首页
资源分类
专题
通知公告