HD 450.9 : 200S1现行
HEARING AIDS - METHODS OF MEASUREMENT OF CHARACTERISTICS OF HEARING AIDS WITH BONE VIBRATOR OUTPUT
出版：Harmonization Documents
专家解读视频
DIN IEC 60118-9 : 1987 - Identical
DIN IEC 60118-9 : 1987 - Identical
UNE 20603-9 : 1995 - Identical
PN 93/T-04704.09 : 1993 - Identical
CEI 29-13 : 1997 - Identical
PN HD 450.9 : 2014 - Identical
IEC 60118-9 : 1.0 - Identical
