Computer network security peep-proof screen device - XIAO HONGWEI; DAI BOTAO; HUANG XINXIA; ZHOU XIANJING (2023)
Keywords: BLASTING; CALCULATING; COMPUTING; CONVEYING; COUNTING; ELECTRIC DIGITAL DATA PROCESSING; ENGINEERING ELEMENTS AND UNITS; FRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES ORAPPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUSPROVIDED FOR ELSEWHERE; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HANDLING THIN OR FILAMENTARY MATERIAL; HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES; HEATING; LIGHTING; MECHANICAL ENGINEERING; PACKING; PERFORMING OPERATIONS; PHYSICS; STANDS OR SUPPORTS; STORING; THERMAL INSULATION IN GENERAL; TRANSPORTING; WEAPONS