| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a maintenance service sales providing method for purchasing a higher level maintenance service than a basic maintenance service in a fixed period which is necessary for the user of computer equipment in a maintenance service contract between the sales company of the computer equipment or the providing company of the maintenance service and the user of the computer equipment. <P>SOLUTION: In the sales and service providing method for purchasing a higher level maintenance service than a basic maintenance service contract in a fixed period necessary for a user, the high level maintenance service is temporarily provided when an emergency maintenance service is needed. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
