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Jet pipe cooling channel vertical processing method for liquid rocket engine, involves adopting pressing plates on workbench, and removing end cover of jet pipe that is dismantled to finish vertical processing of jet pipe cooling channel. 专利
申请日期: 2009-01-01, 公开日期: 2009-04-22
作者:  DU F LI H LIU H LIU W TAO Y TIAN X
收藏  |  浏览/下载:3/0  |  提交时间:2019/12/24
METHODS FOR THE USE OF PROGESTOGEN AS A GLUCOCORTICOID SENSITIZER 专利
作者:  Tao Tom Du
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