IEC 60090:1957

Recommendations for the dimensions of polarized plugs for hearing aids
Applies to two-pin polarized and three-pin plugs for hearing aids. Gives dimensions and tolerances to ensure interchangeability.
OEN:
IEC
Langue:
English
Code(s) de l'ICS:
17.140.50; 31.220.10
Statut:
Révisé
Date de Publication:
1956-12-31
Numéro Standard:
IEC 60090:1957