Signing a pre-incorporation contract is a universal phenomenon before the establishment of a corporation.

在公司成立之前，签署公司成立前合同是普遍现象。

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After the establishment of insurance contract, both parties will be governed by the contract of insurance.

保险合同成立后，双方当事人就受保险合同的约束。

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Unnamed contract is the work of freedom of contract doctrine and the establishment of types of named contract in the civil law.

无名合同，是民法一方面确立契约自由原则，一方面设置有名合同类型的产物。

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