HD 443 : 200S1被替代
OCCLUDED-EAR SIMULATOR FOR THE MEASUREMENT OF EARPHONES COUPLED TO THE EAR BY EAR INSERTS
出版：Harmonization Documents
專家解讀視頻
IEC 60711 : 1.0 - Identical
PN 93/T-04703 : 1993 - Identical
DS HD 443 : 1995 - Identical
UNE 20645 : 1985 - Similar to
NFC 97 611 : 1986 - Identical
DIN IEC 60711 : 1986 - Corresponds
DIN IEC 60711 : 1986 - Identical
