NF C97-621:1995
Hearing aids. Part 1 : hearing aids with induction pick-up coil input.

Standard No.

NF C97-621:1995

Release Date

1995

Published By

Association Francaise de Normalisation

Latest

NF C97-621:1995

Replace

NF C97-610:1986

NF C97-621:1995 history

• 0000 NF C97-613:1997
• 1986 NF C97-610:1986 Hearing aids. Definitions and measuring methods.