CENELEC - HD 450.4
Hearing Aids Part 4: Magnetic Field Strength in Audio- Frequency Induction Loops for Hearing Aid Purposes
active, Most Current
| Organization: | CENELEC |
| Publication Date: | 1 January 1984 |
| Status: | active |
| Page Count: | 2 |
| ICS Code (Health care technology): | 11 |
Document History
HD 450.4
January 1, 1984
Hearing Aids Part 4: Magnetic Field Strength in Audio- Frequency Induction Loops for Hearing Aid Purposes
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