SIS SS-ISO 7212-1987 Enclosures for protection against ionizing radiation - Lead shielding units for 50 mm and 100 mm thick walls《电离辐射防护外部装置50毫米和100毫米厚墙体式铅屏蔽构件》.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

ONORM DIN 1318-1973 《音量等级 概念 测量方法》.pdf

ONORM DIN 18182 Teil 1-1991 Accessories for use with gypsum plasterboards - Steel plate sections《石膏板上使用的附件 钢板型材》.pdf

ONORM DIN 18182 Teil 2-1991 Accessories for use with gypsum plasterboards - Dry wall screws《石膏板上使用的附件 墙板自攻螺钉》.pdf

ONORM DIN 18182 Teil 3-1991 Accessories for use with gypsum plasterboards -Staples《石膏板上使用的附件 钉书钉》.pdf

ONORM DIN 18182 Teil 4-1991 Accessories for use with gypsum plasterboards - Nails《石膏板上使用的附件 螺丝钉》.pdf

ONORM DIN 19053 Teil 1-1981 《电影缩微胶片 穿孔卡片35 mm 相机卡；安装卡；复制卡》.pdf

ONORM DIN 19260-1981 《PH 测量 一般概念》.pdf

ONORM DIN 19261-1981 《PH 测量 使用电镀单元的测试方法概念》.pdf

ONORM DIN 19263-1994 pH measurement Glass electrodes《pH 测量 玻璃电极》.pdf