ITU-T D.500R-1989 标准详情
- 标准号：ITU-T D.500R-1989
- 中文标题：
- 英文标题：accounting rates applicable to telephone relations between countries in asia and oceania - general tariff principles - charging and accounting in international telecommunications services (study group iii) 1 pp
- 标准类别：国际电信联盟标准
- 发布日期：1989-01-01
