TREA

using SIMs (USIMs) or calling cards

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Industry

  • CPC
  • H04M17/103
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Parent Industries

HELECTRICITY H04Electric communication H04MTELEPHONIC COMMUNICATION H04M17/00Prepayment of wireline communication systems, wireless communication systems or telephone systems

Current Industry

H04M17/103using SIMs (USIMs) or calling cards
Industries