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

BS EN 61158-3-20-2014 Industrial communication networks Fieldbus specifications Data-link layer service definition Type 20 elements《工业通信网络 现场总线规格 数据链路层服务定义 20型要素》.pdf

BS EN 61158-3-21-2012 Industrial communication networks Fieldbus specifications Data-link layer service definition Type 21 elements《工业通信网络 现场总线规范 数据链路层设备定义 21型元件》.pdf

BS EN 61158-3-22-2014 Industrial communication networks Fieldbus specifications Data-link layer service definition Type 22 elements《工业通讯网络 现场总线规格 数据联络层设备定义 22型元件》.pdf

BS EN 61158-3-24-2014 Industrial communication networks Fieldbus specifications Data-link layer service definition Type-24 elements《工业通信网络 现场总线规格 数据链路层服务定义 24型要素》.pdf

BS EN 61158-3-3-2014 Industrial communication networks Fieldbus specifications Data-link layer service definition Type 3 elements《工业通信网络 现场总线规范 数据链路层服务定义 3型元件》.pdf

BS EN 61158-3-4-2014 Industrial communication networks Fieldbus specifications Data-link layer service definition Type 4 elements《工业通讯网络 数据总线规范 数据联络层设备定义 4型元件》.pdf

BS EN 61158-3-7-2008 Industrial communication nnetworks — Fieldbus nspecifications — nPart 3-7 Data-link layer service ndefinition — Type 7 elements《工业通信网络 现场总线规范 数据链路层服务定义 7型元件》.pdf

BS EN 61158-3-8-2008 Industrial communication nnetworks — Fieldbus nspecifications — nPart 3-8 Data-link layer service ndefinition — Type 8 elements《工业通讯网络 数据总线规范 数据联络层设备定义 8型元件》.pdf

BS EN 61158-4-1-2014 Industrial communication networks Fieldbus specifications Data-link layer protocol specification Type 1 elements《工业通信网络 现场总线规范 数据链路层协议规范 1型元件》.pdf