To provide a sales apparatus that can sell building materials compliant to housing quality assurance promotion safely and at low prices via a network.
The building material sales apparatus of a seller is connected to purchaser terminals 3 of purchasers who purchase building materials via a network 4 to sell building materials to the purchasers in response to the purchase of building materials from the purchaser terminals 3. The building material sales apparatus 2 stores information on models 12b and lots 12c of building materials actually sold to the purchaser identified by a member ID 10b, asks the purchaser terminal 3 to enter information on a used lot out of the purchased building materials and an installation record 13a, stores the information 13a, determines whether the installation can be guaranteed according to the information on the model 12b and lot 12c of the building material and the installation record information 13a, and if determining that the installation can be guaranteed, outputs a guarantee.
| JP2003085241A | 2003-03-20 | |||
| JP2003288386A | 2003-10-10 | |||
| JP2002092503A | 2002-03-29 |
Mitsuo Wada
Masaya Nakatsuka
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