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Internet of vehicles group key management method oriented to multiple services and privacy protection 专利
申请日期: 2016-01-01,
作者:  WU HAIYUN;  TANG JIN;  XIAO YUN;  WANG LIANGMIN;  YIN ZHAOXIA
收藏  |  浏览/下载:4/0  |  提交时间:2019/04/19
Method of laser filament welding of core main pump shielding sleeve, involves starting laser wire feeding machine, so that mobile frame to drive laser welding head and wire feeding nozzle automatically to welded main pump shield. 专利
申请日期: 2016-01-01, 公开日期: 2016-08-24
作者:  CHAI D JIN Z MA G WU D ZHOU S
收藏  |  浏览/下载:4/0  |  提交时间:2019/12/09
Preparing nickel-based alloy structure involves utilizing pulsed laser filament, selecting nickel-based alloy wire as wire and nickel-based alloy sheet or nickel-based alloy wire with good weldability as substrate. 专利
申请日期: 2016-01-01, 公开日期: 2016-08-17
作者:  CHAI D JIN Z MA G WU D NIU F ZHOU S
收藏  |  浏览/下载:7/0  |  提交时间:2019/12/09


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