[IX. Central continuing education day of the dental technicians of East Germany from 23-25 August 1976 in Halle (Saale)].
D003800:Dental Technicians / Q000193:education*; D004498:Education, Dental, Continuing; D005859:Germany, East
IX. Zentrale Weiterbildungstagung der Zahntechniker der DDR vom 23, bis 25, August 1976 in Halle (Saale).