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Integrated system of prevention against disasters for petrochemical industrial complex
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Filling system for short message service using pay telephone and method for the same
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Amount of flowing water having a standard interface
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A smart transducer network device
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A message transfer method using can protocol
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Method of changing address book of cellular phone for special category telecommunications operator
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System and method for providing prepaid card for short message service
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Sensor apparatus
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Remote fire fighting monitoring and controlling system
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Remote overall measurement system
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Remote monitering system of underground pipe laying
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Remote monitering system of underground pipe laying
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System and Method for prepaid card service management function
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Multimedia kiosk terminal
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Method for management of picture printing service using kiosk
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System and Method for contents supply service management function using prepaid card
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Internet public telecommunication terminal having commodity ticket providing function and System for commodity ticket management using thereof it
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Electronic Toll Collection system for lots of fast cars and Method thereof
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Watermark magnetic card encoding system and method
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Integrated Prepaid card service system and method
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