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Preparation of 740 alloy surface antioxidation coating by electron beam physical vapor deposition method, which includes preheating and depositing, where preheating includes adjusting device vacuum chamber vacuum degree. 专利
申请日期: 2014-01-01, 公开日期: 2014-04-09
作者:  LI J YOU X QIN S TAN Y SHI S LIAO J
收藏  |  浏览/下载:8/0  |  提交时间:2019/12/11
New Odorrana tiannanensis natural antioxidation modified peptide comprising specified amino acid sequences, useful for preparing antioxidant drug, food additives and cosmetics. 专利
申请日期: 2013-01-01, 公开日期: 2013-03-06
作者:  WANG Y YU H GUANG H
收藏  |  浏览/下载:9/0  |  提交时间:2019/12/13
Manufacture of semiconductor laser 专利
专利号: JP1989120084A, 申请日期: 1989-05-12, 公开日期: 1989-05-12
作者:  MANNOU MASAYA;  OGURA MOTOTSUGU
收藏  |  浏览/下载:11/0  |  提交时间:2020/01/13


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