BS-EN-50136-1-3 › Complete Document History
Alarm systems. Alarm transmission systems and equipment. Requirements for systems with digital communicators using the public switched telephone network
Obsolete Revision Information: |
REPLACED BY BS-EN-50136-1 - WITHDRAWN IN 2012 - Sept. 30, 2012
1998 EDITION - WITHDRAWN, 9/30/2012 - June 15, 1998 |