TREA

by changing the gain of an amplifier

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Industry

  • CPC
  • G08B29/28
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Parent Industries

GPHYSICS G08Signaling G08BSIGNALLING OR CALLING SYSTEMS ORDER TELEGRAPHS ALARM SYSTEMS G08B29/00Checking or monitoring of signalling or alarm systems Prevention or correction of operating errors

Current Industry

G08B29/28by changing the gain of an amplifier
Industries