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by Yaid
148 images 41 classes
speaker 24V-power-cord acousto-optic-alarm area-display bus-isolation-module coded-smoke-detector coded-temperature-detector dedicated-metal-module-box-for-fire-pump dedicated-metal-module-box-for-fire-smoke-exhaust-fan dedicated-metal-module-box-for-fire-supplementary-fan deflation-indicator-light electrical-fire-monitoring-line emergency-manual-start/stop-button explosion-proof-smoke-detector fire-broadcasting-line fire-equipment-power-monitoring-line fire-fan-manual-control-line fire-hydrant-button fire-telephone-extension fire-water-pump-manual-control-line
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by tmp
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by CS471
60 images 55 classes
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