[The 17th International Dental Exhibit 1968 at Cologne. Demonstration of achievements and an opportunity for discussion].
D003748:Dental Equipment; D003813:Dentistry; D005085:Exhibitions as Topic; D013674:Technology, Dental
Die XVII. Internationale Dental-Schau 1968 in Köln. Leistungsdemonstration und Diskussionsgelegenheit.