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Slope corrosion gravity observation field testing method, involves forming slope-shaped groove in erosion gully field for assembling field test chamber, and copying observation video to computer to move up and down. 专利
申请日期: 2014-01-01, 公开日期: 2014
作者:  XU X MA L GUO W YAN Q
收藏  |  浏览/下载:5/0  |  提交时间:2019/12/11
Method of increasing surface hardness and case depth of a steel substrate by surface texturisation and high power diode laser hardening 专利
专利号: IN256661B, 申请日期: 2013-07-12, 公开日期: 2013-07-19
作者:  VIVEK ARYA;  BHARAT KUMAR PANT;  BALBIR SINGH MANN
收藏  |  浏览/下载:8/0  |  提交时间:2019/12/23


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