JUS B Z1 063-1990 Safety in mines Sampling coal dust for determination of coal dust explosives and determination of intensivity separating of coal dust《矿山安全 用于煤粉尘爆炸性测定的取样和煤粉尘密度分离的测.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

YY 91019-1999 齿科针.pdf

YY 91020-1999 输血、输液及配套用针.pdf

YY 91035-1999 听诊器.pdf

YY 91037-1999 电热恒温水浴锅.pdf

YY 91038-1999 恒温水槽.pdf

YY 91044-1999 高速涡轮牙钻机.pdf

YY 91054-1999 口腔科器械和设备名词术语.设备及器具.pdf

YY 91057-1999 医用脚踏开头通用技术条件.pdf

YY 91064-1999 牙科旋转器械.钢和硬质合金.牙钻技术条件.pdf