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Preparation of glycerol oxotitanium fluid by mixing titanium-containing compound and absolute ethyl alcohol, mixing with mixture of glycerol and absolute ethyl alcohol, filtering, drying precipitate, and mixing with silicone oil. 专利
申请日期: 2012-01-01, 公开日期: 2012-09-12
作者:  DONG X JI S QI M TAN S ZHAO H TAO W
收藏  |  浏览/下载:4/0  |  提交时间:2019/12/18
Digital anti-fake technique for paper money, involves executing digital anti-fake fluorescence addition and identification, and executing digital anti-fake magnetic safety line addition and identification. 专利
申请日期: 2009-01-01, 公开日期: 2009-06-10
作者:  TAO X LI H ZHAO X LU J
收藏  |  浏览/下载:4/0  |  提交时间:2019/12/24


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