This standard specifies graphic symbols and information symbols (graphical symbols for public information) in the field of slide shows, film teaching and amateur screening. Graphic symbols are used for all equipment and its regulating components, product samples and operating instructions in this field, and information symbols are used for related products and their packaging, as well as publications, advertisements, and expositions.
JB/T 8390-1996 history
1996JB/T 8390-1996 Graphical symbols for slideshows, educational and amateur projections of films