TREA

using a single signalling line

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Industry

  • CPC
  • G08B25/04
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Parent Industries

GPHYSICS G08Signaling G08BSIGNALLING OR CALLING SYSTEMS ORDER TELEGRAPHS ALARM SYSTEMS G08B25/00Alarm systems in which the location of the alarm condition is signalled to a central station

Current Industry

G08B25/04using a single signalling line
Industries