ETSI I-ETS 300 281-1994 Integrated Services Digital Network (ISDN) Telephony 7 kHz Teleservice Terminal Requirements Necessary for End-to-End Compatibility《综合业务数字网(ISDN) 电话7 kHz电信业_1.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

ASTM C828-2011(2016) Standard Test Method for Low-Pressure Air Test of Vitrified Clay Pipe Lines《上釉陶土管道的低压空气试验的标准试验方法》.pdf

ASTM C829-1981(2005) Standard Practices for Measurement of Liquidus Temperature of Glass by the Gradient Furnace Method《用梯度炉法测量玻璃的液化温度的规程》.pdf

ASTM C829-1981(2010) Standard Practices for Measurement of Liquidus Temperature of Glass by the Gradient Furnace Method《用梯度炉法测量玻璃的液化温度的标准实施规程》.pdf

ASTM C829-1981(2015) Standard Practices for Measurement of Liquidus Temperature of Glass by the Gradient Furnace Method《采用梯度炉法测量玻璃液相线温度的标准实践规程》.pdf

ASTM C830-2000(2006) Standard Test Methods for Apparent Porosity Liquid Absorption Apparent Specific Gravity and Bulk Density of Refractory Shapes by Vacuum Pressure《用真空压力法测定成型耐火材料.pdf

ASTM C830-2000(2006)e1 Standard Test Methods for Apparent Porosity Liquid Absorption Apparent Specific Gravity and Bulk Density of Refractory Shapes by Vacuum Pressure《用真空压力法测定成型耐火.pdf

ASTM C830-2000(2011) Standard Test Methods for Apparent Porosity Liquid Absorption Apparent Specific Gravity and Bulk Density of Refractory Shapes by Vacuum Pressure《用真空压力法测定成型耐火材料.pdf

ASTM C830-2000(2016) Standard Test Methods for Apparent Porosity Liquid Absorption Apparent Specific Gravity and Bulk Density of Refractory Shapes by Vacuum Pressure《采用真空压力测定耐火型材的表.pdf

ASTM C831-1998(2003) Standard Test Methods for Residual Carbon Apparent Residual Carbon and Apparent Carbon Yield in Coked Carbon-Containing Brick and Shapes《含焦化硬沥青砖及异型砖的残余碳、表观残余碳及.pdf