SJ 1739-1981 PDF English
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Basic data
| Standard ID | SJ 1739-1981 (SJ1739-1981) |
| Description (Translated English) | Outline dimension series for acoustic devices for use in communication |
| Sector / Industry | Electronics Industry Standard |
| Classification of Chinese Standard | L31 |
| Word Count Estimation | 2,290 |
| Date of Implementation | 10/1/1981 |
| Regulation (derived from) | Industry-Science (2010) No. 77 |
