Artificial Ear Type
4151
For measurement on earphones as used in hearing
aids and telephone communication systems. Pro-
vided with couplers made in accordance with the
IEC standards drawn up in Stockholm
1958.
Bn:UEL&KJJEK
Ncerum,
Denmark
. Phone 80 05 00 _
Telegrams:
BRUKJA, Copenhagen
BB 4151
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