VSM 10854-1943
Polarized plug size rules for electroacoustic hearing aids

Standard No.

VSM 10854-1943

Release Date

1943

Published By

CH-SNV

Latest

VSM 10854-1943

VSM 10854-1943 history

• 1943 VSM 10854-1943 Polarized plug size rules for electroacoustic hearing aids