ITU-R M.691-1990 标准详情
- 标准号：ITU-R M.691-1990
- 中文标题：
- 英文标题：(WITHDRAWN) Technical Characteristics and Compatibility Criteria of Maritime Radiolocation Systems Operating in the Medium Frequency Band and Using Spread-Spectrum Techniques - Section 8D - Radiodetermination, Global Maritime Distress and Safety Syst
- 标准类别：国际电信联盟标准
- 发布日期：1990-01-01
