| 摘要 |
PROBLEM TO BE SOLVED: To solve a problem wherein a customer having purchased a system not only recognizes a real thing but also does not know its possession though Thomson type systems possessed by traders increase and cost for deposition occurs. SOLUTION: Manufacturing date, using frequency, shape formation, present picture, and the like of each Thomson type system are stored in a database, and disposed by a server on a network. Thus, a trader desiring borrowing, a trader desiring lending, and a customer desiring lending are accessed. This system is run with reliability by a registration system and a balance of membership fee. |
