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EN 50131-2-2-2017 Alarm systems. Intrusion and hold-up systems. Part 2-2-Intrusion detectors. Passive infra...2023-07-02

BS EN 61243-3-2014 带电作业电压检测器第3部分:两级低压型 Live working. Voltage detectors. Two-pole low-volt...2023-06-09

GB 10408.4-2000 入侵探测器第4部分:主动红外入侵探测器 Detectors for intruder alarm systems -- Part 4: Active...2023-05-17

IEC 61243-3-2014 带电作业--验电器--第3部分：两极低压型 Live working - Voltage detectors - Part 3: Two-pole low...2023-05-02