GB/T 14733.4-1993

GB/Z 41291-2022 Application of Internet of things—General requirements for smart oil field GB/T 1417-1978 General terminology for telecommunications equipment GB/T 3873-1983 General specifications for products packaging of communication equipments GB/T 4364-1984 Signs of operating directions of manual control mechanism of telecommunication equipments GB/T 7400.8-1987 Broadcasting and television terminology--Television broadcasting--Signal and their attributes GB/T 7400.7-1987 Broadcasting and televisionterminology--Television broadcasting--Visual and picture quality GB/T 7400.6-1987 Broadcasting and television terminology--Television broadcasting--General terms GB/T 7400.4-1987 Broadcasting and television terminology--Satellite broadcasting