This is an article published in Radio magazine, No. 2, No. 2, 1959, P29-30, introducing the new tube product of that year, the 6Ж5П high-frequency sharp-cut quadrode
This is an article published in Radio magazine, No. 2, No. 2, 1959, P29-30, introducing the new tube product of that year, the 6Ж5П high-frequency sharp-cut quadrode
On April 30, the Ministry of Industry and Information Technology recently issued the "Interim Regulations on the Radio Management of Ultra-Wideband (UWB) Equipment" and the "900MHz Band Radio Frequency Identification (RFID)...
radio equipment management wireless
04-30
Reporter Jiang Zheng Zhengzhou reported that the latest "2024 China Hotel Industry Development Report" and "2024 China Hotel Group and Brand Development Report" released by the China Hotel Association show that the interception...
05-08