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现实生活中,常常出现一物数卖的情形。数个买卖合同的效力、先定立买卖合同的买受人作为债权人能否行使撤销权以保全自己的合同债权等等,值得我们研究。本文首先对一物数卖的概念及形成原因进行介绍,然后讨论一物数卖合同的效力问题,对后买卖合同是否为无效合同,先买受人能否行使撤销权或主张侵权等问题进行研究。
In real life, there is often a case of selling things. The validity of several sale and purchase contracts, the first to establish the buyer and seller of the contract of sale as a creditor can exercise the right of cancellation in order to preserve their own contractual claims, etc., is worth our study. This article first introduces the concept of a number of goods sold and the reasons for its formation, and then discusses the effectiveness of a number of goods sold contract, whether the contract is invalid after the sale of the contract, the first buyer can exercise the right of withdrawal or claim infringement and other issues the study.