BS EN 50136-2-4:1998 PDF
Alarm systems. Alarm transmission systems and equipment - Requirements for equipment used in systems with voice communicators using the public switched telephone network
Alarm systems. Alarm transmission systems and equipment - Requirements for equipment used in systems with voice communicators using the public switched telephone network
- Статус документа:
- Отменён
- Формат:
- Электронный (PDF)
- Дата публикации:
- 15 июня 1998 г.
- ICS:
- 13.320
- SKU:
- BS EN 50136-2-4:1998