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Author | ITU |
---|---|
Editor | ITU |
Document type | Standard |
Format | File |
ICS | 13.220.01 : Protection against fire in general
|
Number of pages | 5 |
Year | 1990 |
Document history | |
Country | International |
Keyword | CCITT L.20;ITU-T 20;20;ITU-T L.20 |