GB/T 20501.3-2017 Public information guidance systems—Design principles and requirements for guidance elements—Part 3: Location plans (English Version)
GB/T 20501.1 Public information guidance systems.Design principles and requirements for guidance elements.Part 1:General
GB/T 31015 Public information guidance systems.Design and setting principles for the consideration of accessible needs
GB/T 20501.3-2017 history
2017GB/T 20501.3-2017 Public information guidance systems—Design principles and requirements for guidance elements—Part 3: Location plans
2014GB/T 20501.7-2014 Public information guidance systems.Design principles and requirements for guidance elements.Part 7:Information index sign
2006GB/T 20501.3-2006 Guidance system for public information. Design principles and requirements of guidance elements. Part 3: Layout plan and information board