IEC 60090 Ed. 2.0被替代
Dimensions Of Plugs For Hearing Aids
出版：International Electrotechnical Committee
专家解读视频
Applies to plugs for hearing aids concerning the two-pin polarized plugs and three-pin plugs and gives those dimensions and their tolerances which are essential for ensuring interchangeability.
BIS IS 3720:1983 (R2004) - Identical
SS IEC 90:1985 - Identical
BS 2813:1981 - Identical
NFC 97 610:1986 - Identical
DIN 45603 (1978-01) - Similar
HD 304:1975 - Identical
