PROBLEM TO BE SOLVED: To increase the opportunity of sales by promoting the circulation of inventory articles.;SOLUTION: A device comprises a means for receiving data on an inventory that desires to be lent out including inventory article identification data for identifying inventory articles at least to be lent out from one who lends out own inventory articles and condition data in sales occurring when one who borrows the inventory articles sells the borrowed inventory article to a third party; a means for receiving data on the inventory that desires to be borrowed including inventory article identification data for identifying at least borrowed inventory articles from one who borrows the inventory articles and sells them to a third party; a matching means for matching one who lends out inventory articles with one who borrows them with conditions specified based on data on the inventory that desires to be borrowed and data on the inventory that desires to be lent out as matching conditions; and a matching result outputting means for outputting a result matched by the matching means.;COPYRIGHT: (C)2006,JPO&NCIPI
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