| Standard ID | SJ 1123-1976 (SJ1123-1976) |
| Description (Translated English) | Glow character indicator tubes, Type QS30-1 |
| Sector / Industry | Electronics Industry Standard |
| Classification of Chinese Standard | L39 |
| Word Count Estimation | 5,593 |
| Date of Issue | 1976/11/25 |
| Date of Implementation | 1977/10/1 |
| Regulation (derived from) | Industry-Science (2010) No. 77 |
| Summary | This standard applies to digital QS 30-1 type glow discharge tube (hereinafter referred to as digital tube). The piping cold cathode glow discharge end face of the display type is mainly used for desktop computers and digital equipment, instruments, in order to make the digital display. |