| prov:value
| - m, basically comprises a database memory 122 for storing data such as production instruction information, manufacturing history information, etc., to be described la ter on, sent and received between the clients 20, 22, 24, 26, a backup processor 123 for backing up the data in the database memory 122 on-line at certain time intervals and storing the backed-up data in a backup database memory 124,
|