4. Communications: electrical
  5. Condition responsive indicating system
  6. With particular system function

Jack Duggan

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Fire detector

Communications: electrical – Condition responsive indicating system – Specific condition
Patent

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Fire detector

Communications: electrical – Condition responsive indicating system – Specific condition
Patent

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Low amperage dual sensing fire detector

Communications: electrical – Condition responsive indicating system – Specific condition
Patent

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Radiant energy testing device for fire detectors

Communications: electrical – Condition responsive indicating system – With particular system function
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Profile ID: LFUS-PAI-P-1133425

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