Superseded
Standard
Historical
IEC 60090:1957
Recommendations for the dimensions of polarized plugs for hearing aids
Preview
Summary
Applies to two-pin polarized and three-pin plugs for hearing aids. Gives dimensions and tolerances to ensure interchangeability.
Technical characteristics
| Publisher | International Electrotechnical Commission (IEC) |
| Publication Date | 01/01/1957 |
| Release Date | 01/01/1957 |
| Cancellation Date | 01/01/1973 |
| Edition | 1 |
| Page Count | 6 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
No products.
Previous versions
01/01/1957
Superseded
Historical
01/01/1973
Superseded
Historical
No products.