ITU-R - M.692
NARROW-BAND DIRECT-PRINTING TELEGRAPH EQUIPMENT USING A SINGLE-FREQUENCY CHANNEL
inactive, Most Current
| Organization: | ITU-R |
| Publication Date: | 1 January 1990 |
| Status: | inactive |
| Page Count: | 1 |
Document History
M.692
January 1, 1990
NARROW-BAND DIRECT-PRINTING TELEGRAPH EQUIPMENT USING A SINGLE-FREQUENCY CHANNEL
A description is not available for this item.