China Railway Group Ltd - Company Profile
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Related keylists
View up-to-date information on China Railway Group Ltd patents, including inventor and filing insights.
Patent Trends
| Publication Identifier | Document Type | Title | Classification-CPC | Publication Date |
|---|---|---|---|---|
| CN117146726A | Application | 一种高架车站屋面检修装置及使用方法 | December 01, 2023 | |
| CN117139404A | Application | 一种适用于400km/h高铁的高强高导铜镁合金接触线制备方法 | December 01, 2023 | |
| CN220108644U | Grant | 一种用于盐碱土壤改良的滴灌装置 | December 01, 2023 | |
| CN220117600U | Grant | 一种柱体浇筑防偏移组件 | December 01, 2023 | |
| CN117151452A | Application | 一种弃渣场运营风险评估方法 | December 01, 2023 |
Top Inventors by Filings (Count by publication)
| Name | Count |
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