PD CLC/TS 50131-5-1:2021 Alarm systems. Intrusion systems. Interconnections. Requirements for wired Interconnection for I&HAS equipments located in supervised premises
2021PD CLC/TS 50131-5-1:2021 Alarm systems. Intrusion systems. Interconnections. Requirements for wired Interconnection for I&HAS equipments located in supervised premises