GB/T 15969.4-1995

GB/T 3910-1983 Office machines and data processing equipments--Line spacings and character spacings GB/T 7509-1987 Blank detail specification for microprocessor semiconductor integrated circuits GB/T 7616-1987 Equivalence between binary notation symbols and the significant conditions of a two-condition code GB/T 13723-1992 Generic specification for medium size computer GB/T 14085-1993 Information processing systems--Computer system configuration diagram symbols and conventions GB/T 15969.3-1995 Programmable controllers--Part 3: Programming languages GB/T 15969.1-1995 Programmable controllers--Part 1:General information GB/T 16503-1996 Information technology--Galvanic isolation of balanced interchange circuits