Earphones (physical object)
| Code | 257431008 |
|---|---|
| Semantic tag | physical object |
| Module | international |
| Definition | primitive |
| Effective time | 20020131 |
303637009Audiological device
physical object
700520002Earphone, circumaural
physical object
700521003Earphone, insert
physical object
700522005Earphone, supra-aural
physical object