ETSI ETS 300 046-1-1992 Integrated Services Digital Network (ISDN) Primary Rate Access - Safety and Protection Part 1 General《综合业务数字网(ISDN) 基群速率接入 安全和保护 第1部分 总则》.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

DIN 3991-1-1988 Calculation of load capacity of bevel gears without pinion offset introduction and general influence factors《非偏轴伞齿轮承载能力计算 引言和一般影响因数》.pdf

DIN 3991-2-1988 Calculation of load capacity of bevel gears without pinion offset calculation of pitting resistance《非偏轴伞齿轮承载能力计算 抗蚀能力计算》.pdf

DIN 3991-3-1988 Calculation of load capacity of bevel gears without pinion offset calculation of tooth strength《非偏轴伞齿轮承载能力计算 齿根载荷能力计算》.pdf

DIN 3991-4-1988 Calculation of load capacity of bevel gears without pinion offset calculation of scuffing load capacity《非偏轴伞齿轮承载能力计算 第4部分 磨损载荷计算》.pdf

DIN 3992-1964 Addendum modification of external spur and helical gears《外啮合圆柱齿轮和斜齿轮的齿顶高修正》.pdf

DIN 3993-1-1981 Geometrical design of cylindrical internal involute gear pairs Basic rules《渐开线啮合圆柱内齿轮副的几何设计 基本规则》.pdf

DIN 3993-2-1981 Geometrical design of cylindrical internal involute gear pairs Diagrams for geometrical limits of internal gear-pinion matings《渐开线啮合圆柱内齿轮副的几何设计 内小齿轮配合的几何极限图》.pdf

DIN 3993-3-1981 Geometrical design of cylindrical internal involute gear pairs Diagrams for the determination of addendum modification coefficients《渐开线啮合圆柱内齿轮副的几何设计 齿顶高变位系数测定图》.pdf

DIN 3993-4-1981 Geometrical design of cylindrical internal involute gear pairs Diagrams for limits of internal gear - pinion type cutter matings《渐开线啮合圆柱内齿轮副的几何设计 内小齿轮刀具配合的几何极限图》.pdf