GB/T 14082-1993 Generic specification of 9-track digital magnetic head for digital magnetic tape unit

GB 9363 SJ 2458 GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 2020-1980 Recording magnetic tape with 9 magnetic tracks, 12.7mm width and 32 lines/mm for information processing exchange GB/T 2421-1999 Environmental testing for electric and electronic products—Part 1:General and guidance GB/T 2421-2020 Environmental testing—General and guidance GB/T 2421.1-2008 Environmental testing for electric and electronic products—General and guidance GB/T 2421.2-2008 Environmental testing for electric and electronic products—Information for specification writers—Test summaries GB/T 2422-1995 Environmental testing for electric and electronic products—Terms and definitions GB/T 2422-2012 Environmental testing—Guide to drafting of test methods—Terms and definitions GB/T 2423.1-2001 Environmental testing for electric and electronic products—Part 2:—Test methods Tests A:Cold GB/T 2423.1-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Tests A:Cold GB/T 2423.2-2001 Environmental testing for electric and electronic products—Part 2:Test methods-Tests B:Dry heat GB/T 2423.2-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Tests B:Dry heat GB/T 2423.3-1993 Basic environmental testing procedures for electric and electronic products—Test Ca:Damp heat, steady state GB/T 2423.3-2006 Environmental testing for electric and electronic products—Part 2:Testing method—Test Cab:Damp heat, steady state GB/T 2423.3-2016 Environmental testing—Part 2:Testing method—Test Cab:Damp heat,steady state GB/T 2423.5-1995 Environmental testing for electric and electronic products—Part 2:Test methods—Test Ea and guidance:Shock GB/T 2423.5-2019 Environmental testing—Part 2:Test methods—Test Ea and guidance:Shock GB/T 2423.10-1995 Environmental testing for electric and electronic products—Part 2:Test methods—Test Fc and guidance:Vibration (Sinusoidal) GB/T 2423.10-2008 Environmental testing for electric and electronic products—Part 2:Tests methods Test Fc:Vibration(sinusoidal) GB/T 2423.10-2019 Environmental testing—Part 2:Tests methods—Test Fc:Vibration(sinusoidal) GB/T 6550-1986 Information processing—9-track, 12.7mm wide magnetic tape for information interchange recorded at 63rpmm, phase encoded GB/T 9716-1988 Information processing—Unrecorded 12.7mm (0.5in)wide magnetic tape for information interchange-32ftpmm(800 ftpi)NRZ1,126ftpmm(3200ftpi)phase encoded and 356ftpmm(9042ftpi) NRZ1 GB/T 191-2025 Graphical symbols marking for handling and storage of packages