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Inventor: Christian Ries


Address: Cologne, DE
No. of patents: 1
Last patent issue date: 08/02/1988

NumberTitleIssue Date
4761189Process and aqueous compositions for treating metal surfaces
The invention relates to a process for treating metal surfaces, preferably of aluminum, aluminum alloys and steel, for the subsequent application of organic coating compositions. The metal surfaces are wetted with an aqueous bath solution containing chrom... 		08/02/1988
 
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