GB/T 38840-2020 Digital technique application of building and residence community—Primary data element

GB/T 7408-2005 Data elements and interchange formats—Information interchange—Representation of dates and times GB 18030-2005 Information technology—Chinese coded character set IEEE 754-2008 GB/T 1988-1998 Information technology—7-bit Coded character set for information interchange GB/T 2260-2002 Codes for the administrative divisions of the People's Republic of China GB/T 2260-2007 Codes for the administrative divisions of the People's Republic of China GB/T 2659-2000 Codes for the representation of names of countries and regions GB/T 2659.1-2022 Codes for the representation of names of countries and their subdivisions—Part 1:Country code GB/T 2659.2-2022 Codes for the representation of names of countries and their subdivisions—Part 2:Country subdivision code GB/T 2659.3-2023 Codes for the representation of names of countries and their subdivisions—Part 3:Code for formerly used names of countries GB 11643-1999 Citizen identification number GB/T 17295-1998 Codes for units of measure used in international trade GB/T 17295-2008 Codes for units of measure used in international trade GB/T 18391.3-2001 Information technology—Specification and standardization of data elements—Part 3:Basic attributes of data elements GB/T 18391.3-2009 Information technology—Metadata registries (MDR)—Part 3:Registry metamodel and basic attributes GB/T 19488.1-2004 Data elements for e-government—Part 1:Specification for design and management GB 32100-2015 Coding rule of the unified social credit identifier for legal entities and other organizations GB/T 18391.3-2026 Information technology—Metadata registries (MDR)—Part 3:Metamodel for registry common facilities