NF E38-330-1999 Heat exchangers Forced circulation air-cooling and air-heating coils Test procedures for establishing the performance 《热交换器 强制循环空气冷却和空气加热盘管 确定性能的试验程序》.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

HB 3219-1979 凸缘式气液缸后盖.pdf

HB 322-1971 带活动手柄螺母.pdf

HB 3220-1979 耳座式气液缸前盖.pdf

HB 3221-1979 耳座式气液缸后盖.pdf

HB 3222-1979 车床花盘分配油缸.pdf

HB 3223-1979 不廻转式气缸.pdf

HB 3224-1979 双活塞廻转式气缸.pdf

HB 3225-1979 三位五通转阀（气动）.pdf

HB 3226-1979 二位四通转阀（液压）.pdf