JUS H B8 481-1989 Acetone for industrial use Determination of density at 20 C Hydrometer method《工业用丙酮 在20℃时的密度的测定 比重法》.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 28441-2012 车载导航电子地图数据质量规范.pdf

GB T 28442-2012 导航电子地图数据分类与编码.pdf

GB T 28443-2012 导航电子地图图形符号.pdf

GB T 28444-2012 导航电子海图应用存储格式.pdf

GB T 28445-2012 个人位置导航电子地图数据质量规范.pdf

GB T 28446.1-2012 手持和身体佩戴使用的无线通信设备对人体的电磁照射.人体模型、仪器和规程.第1部分：靠近耳边使用的手持式无线通信设备的SAR评估规程（频率范围300MHz～3GHz）.pdf

GB T 28447-2012 信息安全技术.电子认证服务机构运营管理规范.pdf

GB T 28448-2012 信息安全技术.信息系统安全等级保护测评要求.pdf

GB T 28449-2012 信息安全技术.信息系统安全等级保护测评过程指南.pdf