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GB/T 15130.1-1994 Information processing systems - Data interchange on 90mm (3.5in) flexible disk cartridges using modified frequency modulation recording at 15916 ftprad, on 80 tracks on each side - 285.0 via email in 1~3 business day valid
GB/T 12628-1990 Generic specification for hard disk drive 270.0 via email in 1~3 business day abolished
GB/T 15132.1-1994 Information processing-Data interchange on 130mm flexlble disk cartridges using two-frequency recording at 7953 ftprad, 1. 9tpmm, on one side-Part 1: Dimensional, physical and magnetic characteristics 650.0 via email in 1~3 business day abolished
GB/T 6550-1986 Information processing-9-track, 12.7mm wide magnetic tape for information interchange recorded at 63rpmm,phase encoded 150.0 via email in 1~3 business day valid
GB/T 9716-1988 Information processing-Unrecorded 12.7 mm (0.5in) wide magnetic tape for information interchange-32 ftpmm (800 ftpi) NRZ1,126 ftpmm (3200 ftpi) phase encoded and 356 ftpmm (9042 ftpi) N 120.0 via email in 1~3 business day valid
GB/T 3290-1982 Dimensions and characteristics of magnetic tape reel for information interchange 90.0 via email in 1~3 business day valid
GB/T 12627-1990 Generic specification for flexible disk drive 240.0 via email in 1~3 business day valid
GB/T 15132.2-1994 Information processing-Data interchange on 130mm flexible disk cartridges using two-frequency recording at 7953 ftprad, 1. 9tpmm, on one side-Part 2: Track format 570.0 via email in 1~3 business day abolished
GB/T 11384-1989 Information processing--Data interchange on 200mm flexible disk cartridges using modified frequency modulation recording at 13262 ftprad, 1. 9 tpmm, on both sides--Part 1: Dimensional, physical and magnetic characteri 650.0 via email in 1~3 business day abolished
GB/T 17960-2000 Information technology --Data interchange on 90mm flexible disk cartridges using modified frequency modulation recording at 31 831 ftprad on 80 tracks on each side--GB type 303 580.0 via email in 1~8 business day valid
GB/T 15133.2-1994 Information processing-Data interchange on 200mm flexible disk cartridges using two-frequency recording at 13262 ftprad, 1. 9tpmm, on one side-Part 2: Track format 490.0 via email in 1~3 business day abolished
GA/T 977-2012 Electronic signature of forensic and identification document 120.0 via email in 1~3 business day valid
GB/T 15134-1994 Information processing-File structure and labelling of flexible disk cartridges for information interchange 285.0 via email in 1~3 business day valid
GB/T 2309-1980 Mechanical properties of interchangeable magnetic six-disk pack 450.0 via email in 1~3 business day abolished
HJ 2510-2012 Technical Requirement for Environmental Labeling Products - Voice Recorder 60.0 via email in 1~3 business day valid
GB/T 9714-1988 Information processing; General purpose hubs and reels with 76mm centre hole for magnetic tape used in inter-change instrumentation applications 45.0 via email in 1~3 business day valid
GB/T 15131.1-1994 Information processing - Data interchange on 130mm flexible disk cartridges using modified frequency modulation recording at 13262 ftprad on 80 tracks on each side - Part 1 : Dimens 285.0 via email in 1~3 business day valid
GB/T 13703-1992 processing - Volume and file structure of flexible disk cartridges for information interchange 285.0 via email in 1~3 business day valid
GB/T 12628-2008 General specification for hard disk drive 270.0 via email in 1~3 business day valid
GB/T 7574-1987 Information processing; Magnetic tape labeling and file structure for information interchange 345.0 via email in 1~5 business day abolished
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