| 摘要 |
A product configuration can be managed on a product basis for each of component parts which include each of products from manufacturing to disposal of the products. A product manufacturer device 15, part manufacturer devices 16, 17, and a device 11 of a customer who possesses a product are interconnected through a communication line. The product manufacturer device includes configuration information on each of component parts which comprises a product on a product number basis, and a function of providing information and services on the product. The part manufacturer device in turn includes configuration information on each of lower parts which include each of the component parts on a manufacturing lot or product number basis for each type of component parts, and a function of providing information and services on each of the parts. When the product configuration is changed, the change in the configuration is reflected to the configuration information of the product and the component parts.
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