
High pressure Fine water mist
办公文具
High-pressure fine water mist
办公文具
Upright sprinkler
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Dropped sprinkler
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Horizontal sidewall sprinkler
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Fusible alloy sprinkler
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Concealed sprinkler
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Early suppression fast response (ESFR) sprinkler
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Dry sprinkler
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Water flow indicator
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Pressure switch
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Wet alarm valve
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