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发明名称
TRIVALENT CHROMIUM-CONVERSION PROCESSING SOLUTION CONTAINING ALUMINUM-MODIFIED COLLOIDAL SILICA
摘要
<p>The present invention provides a trivalent chromium-conversion processing solution characterized by containing aluminum-modified colloidal silica.</p>
申请公布号
KR20150015448(A)
申请公布日期
2015.02.10
申请号
KR20147029701
申请日期
2013.06.04
申请人
发明人
分类号
C23C22/30;C23C22/53
主分类号
C23C22/30
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代理人
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