建材机械用铸钢件 第1部分:高锰钢铸件技术条件建材机械用铸钢件 第1部分:高锰钢铸件技术条件The cast steel for building-material equipment. Part 1:The technological condition of high managanese steel cast
建材机械用铸钢件 第2部分:碳钢和低合金钢铸件技术条件
The cast steel for building-material equipment. Part 2:The technological condition of carbon steel and low alloy steel cast
2011-12-20
ETSI EN 302 435-1
ERM; Short Range Devices (SRD); Technical characteristics for SRD equipment using Ultra WideBand technology (UWB); Building Material Analysis & Classification equipment applications operating in the frequency band from 2,2 GHz to 8,5 GHz; Part 1: Technical characteristics & test methods
呃;短程设备(SRD);使用超宽带技术(UWB)的SRD设备的技术特性;在2.2GHz至8.5GHz频带内运行的建筑材料分析和分类设备应用;第1部分:技术特性和试验方法
2009-12-01
ETSI TR 102 495-1
Electromagnetic compatibility & Radio spectrum Matters; Short Range Devices; Technical characteristics for SRD equipment using Ultra Wide Band Sensor technology; System Reference Document Part 1: Building material analysis & classification apps operating in the frequency band from 2,2 GHz to 8 GHz
电磁兼容性和无线电频谱问题;短程设备;采用超宽带传感器技术的SRD设备的技术特点;系统参考文件第1部分:在2.2 GHz至8 GHz频带内运行的建筑材料分析和分类应用程序