PN EN 50136-2-4-2007 标准详情
- 标准号：PN EN 50136-2-4-2007
- 中文标题：
- 英文标题：Alarm Systems - Alarm Transmission Systems And Equipment - Part 2-4: Requirements For Equipment Used In Systems With Voice Communicators Using The Public Switched Telephone Network
- 标准类别：波兰标准PN
- 发布日期：
