| 摘要 |
PURPOSE: A method for a buying bid and a selling bid between corporations through a computer network is provided to prevent a transaction evasion after a contract and to secure a transaction by examining participators for selling and buying a commodity in advance. CONSTITUTION: A commodity for a purchase bid application is registered in a bid site in advance(S2). A purchase bid application is prepared by appending a contents including a purchase weight input process in accordance with a setting of a portion bidding or not for buying and bidding the commodity by a purchase bid applicant(S4). A purchase bid transaction is applied by including paying information as a paying account(S6). A purchase bid transaction application is received by confirming whether an auction bond setting is followed or not with the purchase bid application(S8). An application contents of the received purchase bid application are published(S10). A purchase bid responding application including purchase bid information, transaction information and paying information is prepared from a purchase bid responding applicant and received(S12¯S14). A purchase bid is published after a bid period is passed(S16). A successful bidder is selected by confirming the purchase bid responding(S18).
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