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Bộ điều khiển trung tâm PlenaVas kèm âm ly 240W Bosch LBB1990/00
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Bosch Plena LBB 1990/00 Voice Alarm Controller with built in 240 watt Amplifier | #1779349397
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Plena Voice Alarm System
LBB 1990/00 Plena Voice Alarm Controller
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Connectivity between BOSCH LBB1990 with LBD1938 PA System - YouTube
