NF B50-104-1994 Durability of wood and wood-based products Natural durability of solid wood Guide of the durability requirements for wood to be used in hazard classes 《木材和木基制品 木材天然.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

GOST 19438 17-1977 Low-power electronic tubes and valves Methods of measurement of cathode heating time and readiness time《小功率电子管 加热时间和预热时间的测量方法》.pdf

GOST 19438 18-1978 Low-power electronic tubes Test methods for multiple switching on and swit ching off the heating voltage《小功率电子管 灯丝电压的多次通断试验法》.pdf

GOST 19438 19-1978 Low-power electronic tubes Measurement of microphone effect by method of shock excitation《小功率电子管 振荡噪声与振颤效果的测量方法》.pdf

GOST 19438 2-1974 Low-power electronic tubes Methods of measurement of direct interelectrode capacitances《小功率电子管 静态极间电容的测定方法》.pdf

GOST 19438 20-1979 Low powered electronic tubes Method for measurement of the temperature of the bulb《小功率电子管 管温的测量方法》.pdf

GOST 19438 21-1979 Low-power electronic tubes and valves for output cascades of TV line scanninp Methods of measurement of electrice parametres and test for service time《行扫描块的输出级用小.pdf

GOST 19438 3-1974 Low-power electronic tubes and valves Method of measurement of insulation resistance between electrodes and between electrodes and all other elements of tubes and.pdf

GOST 19438 4-1974 Low-power electronic tubes Methods of measurement of current of control grids《连续耗散阳极功率在25W以内的收讯－放大与振荡管 控制栅极的电流测量方法》.pdf

GOST 19438 6-1975 Low-power electronic tubes and valves Methods of measurement of ampleication factor《小功率电子管 放大系数测量方法》.pdf