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      29 Technical Standards such as Technical Specifications for Protective Coating and Paint Supply of Railway Steel Bridge

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        29 pre-existing railway industry technical standards, such as Technical Specifications for Protective Coating and Paint Supply of Railway Steel Bridge, are no longer railway industry standards and have been converted into CHINA RAILWAY's technical standards, which have taken effect from November 29, 2019. The standard texts in the catalog will not be issued separately.
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