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Haltbarkeit von Vergoldungen: Dekorative Goldauflagen, 3 µm und 5 µm
Haltbarkeit von Vergoldungen

Durability of gilding: Decorative gold plating, 3 µm and 5 µm

How long does gold-plated jewelry last? Assessment of decorative gold plating, 1, 3 µm and 5 µm hard gold plating Gold plating is an elegant way to enhance the appearance of jewelry and othe...