GB/T 19245-2003 Specification for information interchange of electronic business card

RFC 822 RFC 1738 RFC 1766 RFC 2045 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 7408-1994 Data elements and interchange formats—Information interchange—Representation of dates and times GB/T 7408-2005 Data elements and interchange formats—Information interchange—Representation of dates and times GB/T 7408.1-2023 Date and time—Representations for information interchange—Part 1:Basic rules GB/T 12345-1990 Code of Chinese ideogram set for information interchange supplementary set GB 13000.1-1993 Information technology—Universal Multiple-Octet Coded Character Set(UCS)—Part 1:Architecture and Basic Multilingual Plane GB/T 15537-1995 Information processing—SGML support facilities—Registration procedures for public text owner identifiers GB/T 16264.1-1996 Information technology—Open systems-interconnection—The directory Part1:Overview of concepts, models and services GB/T 16264.1-2008 Information technology—Open Systems Interconnection—The Directory— Part 1:Overview of concepts,models and services GB/T 16264.2-1996 Information technology—Open system-interconnection—The directory—Part 2:Models GB/T 16264.2-2008 Information technology—Open Systems Interconnection—The Directory—Part 2:Models GB/T 16264.3-1996 Information technology—Open systems-interconnection—The directory—Part 3:Abstract service definition GB/T 16264.3-2008 Information technology—Open Systems Interconnection—The Directory—Part 3:Abstract service definition GB/T 16264.4-1996 Information technology—Open systems interconnection—The directory— Part 4:Procedures for distributed operation GB/T 16264.4-2008 Information technology—Open Systems Interconnection—The Directory—Part 4:Procedures for distributed operation GB/T 16264.5-1996 Information technology—Open systems interconnection—The directory— Part 5:Protocol specifications GB/T 16264.5-2008 Information technology—Open Systems Interconnection—The Directory—Part 5:Protocol specifications GB/T 16264.6-1996 Information technology—Open systems interconnection—The directory— Part 6:Selected attribute types GB/T 16264.6-2008 Information technology—Open Systems Interconnection—The Directory—Part 6:Selected attribute types GB/T 16264.7-1996 Information technology—Open systems interconnection—The directory—Part 7:Selected object classes GB/T 16264.7-2008 Information technology—Open Systems Interconnection—The Directory—Part 7:Selected object classes GB/T 16264.8-1996 Information technology—Open systems interconnection—The directory—Part 8:Authentication framework GB/T 16264.8-2005 Information technology—Open Systems Interconnection—The Directory—Part 8:Public-key and attribute certificate frameworks GB 18030-2000 Information technology—Chinese ideograms coded character set for information interchange—Extension for the basic set GB 18030-2005 Information technology—Chinese coded character set GB 18030-2022 Information technology—Chinese coded character set GB/T 7408.2-2025 Date and time—Representation for information interchange—Part 2:Extensions