4. Communications: electrical
  5. Traffic control indicator
  6. Combined

Duk-Kyun Ryu

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Communication processing device of toll collecting system

Communications: electrical – Traffic control indicator – Combined
Patent

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Mixed lock type toll collecting system and method for toll colle

Communications: electrical – Traffic control indicator – Combined
Patent

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Technique for showing running time by sections on tollway

Data processing: financial – business practice – management – or co – Automated electrical financial or business practice or... – Transportation facility access
Patent

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Profile ID: LFUS-PAI-P-949375

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