JUS C A1 154-1979 Methods for chemical analysis of copper and copper alloys Spectrophotometric deiermination of antimony (byRodamm-B method)《铜和铜合金的化学分析方法 罗丹明B分光光度法测定锑量》.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 T 1659-1985 内燃机车柴油机钢背铝基合金双金属轴瓦超声波探伤.pdf

TB T 1660-1985 ND2机车高磷闸瓦技术条件.pdf

TB T 1666-1985 铁路货车二轴转向架设计参数.pdf

TB T 1667-1985 棚车车体设计参数.pdf

TB T 1668-1985 煤炭漏斗车车体设计参数.pdf

TB T 1670.1-1985 15号车钩闭锁位开口尺寸工作样板.pdf

TB T 1670.2-1985 15号车钩全开位钩舌与钩腕内侧距检查样板.pdf

TB T 1670.3-1985 15号车钩轮廓工作样板.pdf

TB T 1670.4-1985 15号车钩钩体上牵引台样板.pdf