The validity of any modifications, amendments or ancillary agreements to the sales contract is also subject to written confirmation by WIRTGEN CHINA.

销售合同的任何修正案、修订案或补充协议也需经WIRTGEN CHINA的书面确认方能有效。

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The lawsuit revolves around Viacom's insistence that ancillary networks be included in programming agreements in order to gain distribution rights to more popular networks such as Nickelodeon, MTV and Comedy Central.

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