TREA

Coordinate switches, crossbar, 4/2 with relays, coupling field

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Industry

  • CPC
  • H04Q2213/1304
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Parent Industries

HELECTRICITY H04Electric communication H04QSELECTING H04Q2213/00Indexing scheme relating to selecting arrangements in general and for multiplex systems

Current Industry

H04Q2213/1304Coordinate switches, crossbar, 4/2 with relays, coupling field
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