JUS B M2 197-1979 Support of mine openings Yielding high arch shaped roadways with belt conveyer《矿山支护 可缩性巷道高拱形支架（有输送机）》.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

TB 1598-1985 机车锅炉用水质稳定剂腐植酸钠.pdf

TB 1599-1985 机车锅炉用水质稳定剂腐植酸钠分析方法.pdf

TB 1600-1985 机车锅炉用水质稳定剂水解聚马来酸酐.pdf

TB 1601-1985 机车锅炉用水质稳定剂水解聚马来酸酐分析方法.pdf

TB 1602-1985 机车锅炉用水质稳定剂乙二胺四甲叉膦酸钠.pdf

TB 1603-1985 机车锅炉用水质稳定剂乙二胺四甲叉膦酸钠分析方法.pdf

TB 1606-1985 球墨铸铁曲轴超声波探伤.pdf

TB 1611-1985 货车空气制动管系设计参数.pdf

TB 1612-1985 货车车钩缓冲装置设计参数.pdf