- Cronak process
- обработка печатных пластин против окисления
English-Russian cartography dictionary. 2013.
Cronak process
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Chromate conversion coating — Not to be confused with Chrome plating or Diffusion hardening. Zinc chromate conversion coating on small steel parts. Chromate conversion coating is a type of conversion coating used to passivate aluminum, zinc, cadmium, copper … Wikipedia
