CLC/SR 29
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 49730 | LVS HD 450.4 S1:1984 | Hearing aids - Part 4: Magnetic field strength in audio-frequency induction loops for hearing aid purposes | Atcelts |
| 43867 | LVS HD 450.5 S1:2002 | Hearing aids - Part 5: Nipples for insert earphones | Standarts spēkā |
| 45219 | LVS HD 450.6 S1:1986 | Hearing aids - Part 6: Characteristics of electrical input circuits for hearing aids | Atcelts |
| 55153 | LVS HD 450.7 S1:1985 | Hearing aids - Part 7: Measurement of performance characteristics of hearing aids for quality inspection for delivery purposes | Atcelts |
| 58197 | LVS HD 450.9 S1:2002 | Hearing aids - Part 9: Methods of measurement of characteristics of hearing aids with bone vibrator output | Standarts spēkā |
| 57749 | LVS HD 499 S1:1990 | Integrating-averaging sound level meters | Atcelts |
| 54814 | LVS HD 556 S1:1991 | Sound calibrators | Atcelts |
| 42684 | LVS HD 590 S1:2003 | Mechanical coupler for measurements on bone vibrators | Atcelts |
| 44219 | prEN 50220 | Hearing aids - General requirements | Izstrādē |
| 56759 | prEN 50323 | General requirements for hearing aids | Izstrādē |
Displaying 251-260 of 278 results.