TREA

wherein the setting-operation short-circuits or open-circuits the transmitting mechanism during a variable part of a cycle

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Industry

  • CPC
  • H04M1/40
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Parent Industries

HELECTRICITY H04Electric communication H04MTELEPHONIC COMMUNICATION H04M1/00Substation equipment

Current Industry

H04M1/40wherein the setting-operation short-circuits or open-circuits the transmitting mechanism during a variable part of a cycle
Industries