Metal treatment – Process of modifying or maintaining internal physical... – Processes of coating utilizing a reactive composition which...
Patent
1992-09-22
1993-12-07
Silverberg, Sam
Metal treatment
Process of modifying or maintaining internal physical...
Processes of coating utilizing a reactive composition which...
148262, 148263, C23C 2212
Patent
active
052680410
ABSTRACT:
In a process of phosphating metal surfaces phosphating solutions are employed which are substantially free of nickel and contain
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Gehmecker Horst
Rausch Werner
Schubach Peter
Dubno Herbert
Metallgesellschaft AG
Silverberg Sam
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