BS 4009:1975
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Specification for an artificial mastoid for the calibration of bone vibrators used in hearing aids and audiometers
Available format(s)
Hardcopy
Language(s)
English
Published date
31-07-1975
Publisher
Superseded date
28-02-1991
Superseded by
€263.42
Excluding VAT
Basic features of an artificial mastoid for objective calibration of bone vibrators used in hearing aids and audiometers.
| Committee |
EPL/29
|
| DocumentType |
Standard
|
| Pages |
0
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| BS 6083-9:1986 | Hearing aids Methods for measurement of characteristics of hearing aids with bone vibrator output |
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