
Hearing Aids - Characteristics Of Electrical Input Circuits For Hearing Aids
出版:Harmonization Documents

專家解讀視頻
S1 [26/06/1986]
CEI 29-11 Ed. 1 (1998) - Identical
DIN IEC 60118-6 (1992-11) - Identical
IEC 60118-6 Ed. 2.0 - Identical
NFC 97 610:1986 - Identical
UNE 20603-6:1996 - Identical