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发明名称
Corrosion-resistant coated metal substrate
摘要
<p>The chromic acid comparent is made by preparing an aq. mixt. contg. sufficient chromic acid to give pH below 3, adjusting the pH to between 3 and around 5, and adding hydrophilic colloid to the soln..</p>
申请公布号
ES8507627(A3)
申请公布日期
1985.12.16
申请号
ES19550005323
申请日期
1984.04.21
申请人
HISPANO QUIMICA S.A.
发明人
分类号
C23F11/18;(IPC1-7):C23C3/00;C23F7/26
主分类号
C23F11/18
代理机构
代理人
主权项
地址
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