SNI 06-6989 49-2005 Water and waste water - Part 49 Test methods of iron (Fe) content with atomic absorption spectrophotometers (AAS) by extraction《给水和排水 第49部分 利用原子吸收光谱仪检测铁含量的方法 萃取.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

ECMA 133-1998 Private Integrated Services Network (PISN) - Reference Configuration for PISN Exchanges (PINX) (2nd Edition)《专用综合业务网络(PISN) PISN交换用参考配置(PINX) 第2版》.pdf

ECMA 139-1990 3 81 mm WIDE MAGNETIC TAPE CARTRIDGE FOR INFORMATION INTERCHANGE - HELICAL SCAN RECORDING - DDS FORMAT《信息交换用双方位角格式的3 81 mm宽盒式磁带 螺旋扫描记录法 DDS格式》.pdf

ECMA 142-2001 Private Integrated Services Network (PISN) - Circuit Mode 64kbit s Bearer Services - Service Description Functional Capabilities and Information Flows (3rd Edition)《专.pdf

ECMA 143-2001 Private Integrated Services Network (PISN) - Circuit Mode Bearer Services - Inter-Exchange Signalling Procedures and Protocol (4th Edition)《专用综合业务网络(PISN) 电路模式承载业务 局间.pdf

ECMA 144-2000 8-Bit Single-Byte Coded Graphic Character sets Latin Alphabet No 6《8-位单字节编码的图形字符集 拉丁字母No 6 第3版》.pdf

ECMA 145-1990 8mm WIDE MAGNETIC TAPE CARTRIDGE FOR INFORMATION INTERCHANGE - HELICAL SCAN RECORDING《信息交换用双方位角格式8mm宽盒式磁带 螺旋扫描记录法》.pdf

ECMA 146-1990 3 81 mm WIDE MAGNETIC TAPE CARTRIDGE FOR INFORMATION INTERCHANGE - HELICAL SCAN RECORDING - DATA DAT FORMAT《信息交换用双方位角格式3 81mm宽盒式磁带 螺旋扫描记录法 DATA DAT格式》.pdf

ECMA 147-1990 DATA INTERCHANGE ON 90 mm FLEXIBLE DISK CARTRIDGES USING MFM RECORDING AT 31831 ftprad ON 80 TRACKS ON EACH SIDE - ISO TYPE 303《31831ftprad 80磁道 面的使用MFM记录方式的90mm盒式软磁盘.pdf

ECMA 148-1997 Private Itegrated Services Network (PISN) - Specification Functional Model and Information Flows - Identification Supplementary Services (3rd Edition)《专用综合业务网络(PISN) .pdf