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        As of2021December 31 188bet sports bettingof the Year，The current effective 188betrailway special product standard technical documents of the National Railway Group have 858。The "Catalog of Standard Technology File of Railway Special Products" is announced。

　　  Annex:

             1. Standard technical documents for 188betrailway special products

　　      2. Statistics of 188betthe standard technical 188bet logindocument information 188betof the special railway products replaced by the current standard

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Technical support: China Railway Science Research Institute Group Co., Ltd.   Address: No. 10, Fuxing 188bet mobileRoad, Haidian District, Beijing   Postcode: 100844

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