This guiding technical document gives the basic concept of the product geometric technical specification (GPS) standard, and gives the system framework of the GPS standard in general, including the distribution of a series of current GPS national standards in the GPS overall plan. This guiding technical document aims to provide GPS-related information to users of GPS standards and other technical committees, and to help all relevant parties unify their understanding and application of GPS.
GB/Z 20308-2006 history
2020GB/T 20308-2020 Geometrical product specifications(GPS)—Matrix model