TREA

with common interrogation of substations

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Industry

  • CPC
  • G08B26/004
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Parent Industries

GPHYSICS G08Signaling G08BSIGNALLING OR CALLING SYSTEMS ORDER TELEGRAPHS ALARM SYSTEMS G08B26/00Alarm systems in which substations are interrogated in succession by a central station

Current Industry

G08B26/004with common interrogation of substations
Industries