CSN 13 7905-1959 Soldered mechanical engineering screwings Pipe couplings of light pipe screwings with cone sealing《带圆锥密封的轻管道密封套管》.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

JB T 3411.3-1999 弹性转动刀杆 尺寸.pdf

JB T 3411.30-1999 圆冲子 尺寸.pdf

JB T 3411.31-1999 半圆头铆钉冲子 尺寸.pdf

JB T 3411.32-1999 装弹子油杯用冲子 尺寸.pdf

JB T 3411.33-1999 四方冲子 尺寸.pdf

JB T 3411.34-1999 六方冲子 尺寸.pdf

JB T 3411.35-1999 内四方扳手 尺寸.pdf

JB T 3411.36-1999 丁字形内六角扳手 尺寸.pdf

JB T 3411.37-1999 端面孔活扳手 尺寸.pdf