NEN NPR CLC/TS 50131-4 : 2007
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
ALARM SYSTEMS - INTRUSION AND HOLD-UP SYSTEMS - PART 4: WARNING DEVICES
23-06-2009
12-01-2013
Includes requirements for warning devices used in Intrusion and Hold up Alarm Systems installed in buildings.
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