NBN-EN 25663-1994 4375 Water quality Determination of kjeldahl nitrogen Method after mineralization qith selenium (ISO 5663 1984)《水质 氮的定量，矿化硒后采用的方法（ISO 5663：1984）》.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 2908-1-1979 Oval blank plugs assembly《椭圆形塞子 第1部分 组件》.pdf

DIN 2908-2-1979 Oval blank plugs parts《椭圆形塞子 第2部分 零件》.pdf

DIN 2909-1-1979 Round blank plugs assembly《圆形塞子 第1部分 组件》.pdf

DIN 2909-2-1979 Round blank plugs parts《圆形塞子 第2部分 零件》.pdf

DIN 2914-1987 Manhole blanking devices for pressure containing steam generator parts design conditions of delivery《耐压蒸汽锅炉零件的检查孔装置 设计和交付条件》.pdf

DIN 2921-1968 Access openings 450 × 450《450×450的检查孔》.pdf

DIN 2922-1968 Explosion openings 450 450《450 x 450 的爆炸口》.pdf

DIN 2924-1972 Access openings 500 for boilers《锅炉的500检查口》.pdf

DIN 29502-1-1986 Aerospace edge reinforcements for aircraft glazings of fabric reinforced acrylic resins directives for design《航空航天 织物增强的丙烯酸类树脂的飞机窗玻璃的边缘加强材料 设计指令》.pdf