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Verfahren und Einrichtung zur Erzeugung von Nebel aus Schwefelsaeureanhydrid, Chlorsulfon oder sonstigen geeigneten Saeuren und feuchter Luft zur Unsichtbarmachung von Gegenstaenden, z. B. Seefahrzeugen
Verfahren zur Oberflaechenbehandlung schwermetallischer Gegenstaende durch Aufspritzen von Phosphorsaeure, OElloesungsmittel und kolloidale Zuschlaege enthaltenden Gemischen