IEC 60090:1957
Superseded
View Superseded by
Recommendations for the dimensions of polarized plugs for hearing aids
Hardcopy , PDF
English - French
01-01-1957
03-09-2020
Applies to two-pin polarized and three-pin plugs for hearing aids. Gives dimensions and tolerances to ensure interchangeability.
| DocumentType |
Standard
|
| Pages |
6
|
| PublisherName |
International Electrotechnical Committee
|
| Status |
Superseded
|
| SupersededBy |
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