SFS 2131-1967 《法兰 轴肩和槽 如果使用圆垫圈的话 额度压力 PN 10 40》.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

YD T 895-1997 SCPC型单模光纤活动连接器技术条件.pdf

YD T 896-1997 FCAPC型光纤活动连接器技术条件.pdf

YD T 897.1-1997 接入网用同轴电缆第1部分 同轴用户电缆一般要求.pdf

YD T 897.2-1998 接入网用同轴电缆 第2部分 同轴配线电缆一般要求.pdf

YD T 898-1997 单芯光缆.pdf

YD T 899-1997 双芯光缆.pdf

YD T 900-1997 SDH设备技术要求——时钟.pdf

YD T 901-1997 层绞式通信用室外光缆.pdf

YD T 901-2001 核心网用光缆——层绞式通信用室外光缆.pdf