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Applicable to insert earphones which can be fitted to an earmould inserted into the ear canal. Defines those dimensions which are essential in order to ensure interchangeability of insert earphones as used with earmoulds or other attachments to the ear.
Product Details
- Edition:
- 1.0
- Published:
- 01/01/1983
- Number of Pages:
- 7
- File Size:
- 1 file , 230 KB