CALLING CARD MANAGEMENT SYSTEM AND METHOD THEREFOR
PROBLEM TO BE SOLVED: To provide a calling card management system and a method therefor capable of managing calling cards of users at the center to manage many calling cards corresponding to the users and facilitate retrieval. SOLUTION: This calling card management system comprises a layout recognit...
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Main Author | |
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Format | Patent |
Language | English |
Published |
09.08.2002
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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