AENOR - UNE-EN 50136-1-4
ALARM SYSTEMS. ALARM TRANSMISSION SYSTEMS AND EQUIPMENT. PART 1-4: REQUIREMENTS FOR SYSTEMS WITH VOICE COMMUNICATORS USING THE PUBLIC SWITCHED TELEPHONE NETWORK.
inactive, Most Current
| Organization: | AENOR |
| Publication Date: | 13 November 1998 |
| Status: | inactive |
| Page Count: | 9 |
| ICS Code (Alarm and warning systems): | 13.320 |
| ICS Code (Transmission systems): | 33.040.20 |
Document History
UNE-EN 50136-1-4
November 13, 1998
ALARM SYSTEMS. ALARM TRANSMISSION SYSTEMS AND EQUIPMENT. PART 1-4: REQUIREMENTS FOR SYSTEMS WITH VOICE COMMUNICATORS USING THE PUBLIC SWITCHED TELEPHONE NETWORK.
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