Patents/Inventors

Dietmar Chmielewski

RomanshornCH0 patents

1 Patent

US120437532024
Process for Corrosion-protecting Pretreatment of a Metallic Surface Containing Steel, Galvanized Steel, Aluminum, an Aluminum Alloy, Magnesium And/or a Zinc-magnesium Alloy
CHEMETALL GmbH
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