TREA

using electric transmission

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Industry

  • CPC
  • G08B7/06
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Parent Industries

GPHYSICS G08Signaling G08BSIGNALLING OR CALLING SYSTEMS ORDER TELEGRAPHS ALARM SYSTEMS G08B7/00Signalling systems according to more than one of groups G08B3/00 - G08B6/00 Personal calling systems according to more than one of groups G08B3/00 - G08B6/00

Current Industry

G08B7/06using electric transmission
Industries