TS 1057-1972 CREEPAGE DISTANCES AND CLEARANCES N AIR《空气中爬电距离和电气间隙》.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

QJ 1272-1987 计量标准项目分类与代码.pdf

QJ 1273.1-1987 基建系统数据元 基本建设单项工程分类及代码.pdf

QJ 1273.2-1987 基建系统数据元 基本建设项目类型分类及代码.pdf

QJ 1273.3-1987 基建系统数据元 基本建设项目建设性质分类及代码.pdf

QJ 1273.4-1991 基本建设系统数据元 基本建设投资来源分类与代码.pdf

QJ 1273.5-1991 基本建设系统数据元 基本建设投资构成分类与代码.pdf

QJ 1273.6-1991 基本建设系统数据元 基本建设投资用途分类与代码.pdf

QJ 1273.7-1991 基本建设系统数据元 基本建设项目的建设阶段 分类与代码.pdf

QJ 1273.8-1991 基本建设系统数据元 基本建设单项工程进度 分类与代码.pdf