GB/T 9314-1995 General specification of serial impact dot matrix printer

GB 9314-1988

GB/T 9314-2011 General specification of serial impact dot matrix printer

GB 3909 GB 5792 GB 6833.2 GB 6833.3 GB 6833.4 GB 6833.5 GB 6833.6 GB 9655 GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 1988-1998 Information technology—7-bit Coded character set for information interchange GB/T 2312-1980 Code of Chinese graphic character set for information interchange—Primary set GB/T 2423.8-1995 Environmental testing for electric and electronic products—Parts 2:Test methods—Test Ed:Free fall GB/T 2787-1981 Keyboard for international information processing interchange using the 7-bit coded character set—Alpha- numeric area GB/T 3261-1993 Office machines and printing machines used for information processing—Widths of fabric printing ribbons GB/T 3911-1983 Graphical representations of the control characters of 7-bit coded character set for information processing GB/T 4873-1985 Continuous forms used for information processing—Sizes and feed holes GB 4943-2001 Safety of information technology equipment GB 4943.1-2011 Information technology equipment—Safety—Part 1:General requirements GB 4943.1-2022 Audio/video,information and communication technology equipment—Part 1:Safety requirements GB 4943.21-2019 Information technology equipment—Safety—Part 21:Remote power feeding GB 4943.22-2019 Information technology equipment—Safety—Part 22:Equipment to be installed outdoor GB 4943.23-2012 Information technology equipment—Safety—Part 23:Large data storage equipment GB 5007.1-2001 Information technology—Chinese ideogram coded character set(basic set)—24 dot matrix font GB/T 5007.1-2010 Information technology—Chinese ideogram coded character set (basic set)—24 dot matrix font GB 5007.2-2001 Information technology—Chinese ideogram coded character set (auxiliary set)—24 dot matrix font GB/T 5007.2-2008 Information technology—Chinese ideogram coded character set (auxiliary set)—24-dot matrix font—Song Ti GB/T 5080.7-1986 Equipment reliability testing Compliance test plans for failure rate and mean time between failures assuming constant failure rate GB/T 6107-2000 Interface between data terminal equipment and data circuit termination equipment employing serial binary data interchange GB/T 6881-2023 Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Precision methods for reverberation test rooms GB/T 6881.1-2002 Acoustics—Determination of sound power levels of noise sources using sound pressure—Precision methods for reverberation rooms GB/T 6881.2-2002 Acoustics—Determination of sound power levels of noise sources—Engineering methods for small,movable sources in reverberant field—Part 1:Comparison method for hard-walled test rooms GB/T 6881.2-2017 Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Engineering methods for small movable sources in reverberant fields—Comparison method for a hard-walled test room GB/T 6881.3-2002 Acoustics—Determination of sound power levels of noise sources-using sound pressure—Engineering metheds for small,movable sources in reverberant fields—Part 2:Methods for special reverberation test rooms GB 9254-1998 Information technology equipment—Radio disturbance characteristics—Limits and methods of measurement GB/T 9254-2008 Information technology equipment—Radio disturbance characteristics—Limits and methods of measurement GB/T 9254.1-2021 Information technology equipment,multimedia equipment and receivers—Electromagnetic compatibility—Part 1:Emission requirements GB/T 9254.2-2021 Information technology equipment,multimedia equipment and receivers—Electromagnetic compatibility—Part 2:Immunity requirements GB/T 12508-1990 Alphanumeric character sets for optical recognition—PartⅡ:character set OCR-B—Shapes and dimensions of the printed image GB/T 191-2025 Graphical symbols marking for handling and storage of packages GB/T 4943.2-2026 Audio/video,information and communication technology equipment—Part 2:Explanatory information related to GB 4943.1—2022