HD 549 S1in-force
HD 549 S1:1989 — Conference systems - Electrical and audio requirements
HD 549 S1:1989
Applies from 2016-04-20
Summary
LVD 2014/35/EU harmonised standard: Conference systems - Electrical and audio requirements.
Scope
EU harmonised standard under Low Voltage Directive 2014/35/EU — Conference systems - Electrical and audio requirements.
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