译：GB/T 15122-1994 Information processing systems—Designation of unrecorded flexible disk cartridges

译：GB/T 15120.5-1994 Identification cards—Recording technique—Part 5:Location of read-write magnetic track—Track 3

译：GB/T 15121.1-1994 Information processing systems—Computer graphics—Metafile for storage and transfer of picture description information—Part 1:Functional specification

译：GB/T 15125-1994 Information technology—Data communication—25-pole DTE/DCE interface connector and contact number assignments

译：GB/T 15124-1994 Information processing system—Data communication—Multilink procedures

译：GB/T 15123-1994 Information processing—Data communication—DTE/DCE interface back-up control operation using the 25-pole connector

译：GB/T 15120.3-1994 Identification cards—Recording technique—Part 3:Location of embossed characters on ID-1 cards

译：GB/T 15120.2-1994 Identification cards—Recording technique—Part 2:Magnetic stripe

译：GB/T 15120.4-1994 Identification cards—Recording technique—Part 4:Location of read-only magnetic tracks—Tracks 1 and 2

译：GB/T 15121.2-1994 Information processing systems—Computer graphics—Metafile for storage and transfer of picture description information—Part 2:Character encoding