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Reference number
ISO 389:1991
© ISO 2024
ISO 389:1991
Acoustics — Standard reference zero for the calibration of pure-tone air conduction audiometers
Edition 3
1991-03
Withdrawn
ISO 389:1991
4375
ISO 389:1991
Acoustics — Standard reference zero for the calibration of pure-tone air conduction audiometers
Withdrawn
(Edition 3, 1991)
New version available:
ISO 389-1:1998
General information
Status
:
Withdrawn
Publication date
:
1991-03
Stage
: Withdrawal of International Standard [
95.99
]
Edition
: 3
Number of pages
: 6
Technical Committee :
ISO/TC 43
ICS
:
13.140
RSS
updates
Life cycle
Previously
Withdrawn
ISO 389:1985
Now
Withdrawn
ISO 389:1991
Stage:
95.99
00
Preliminary
10
Proposal
20
Preparatory
20.00
1989-11-29
New project registered in TC/SC work programme
30
Committee
30.00
1989-11-29
Committee draft (CD) registered
40
Enquiry
50
Approval
50.00
1990-01-08
Final text received or FDIS registered for formal approval
50.20
1990-11-06
Proof sent to secretariat or FDIS ballot initiated: 8 weeks
50.60
1990-11-06
Close of voting. Proof returned by secretariat
60
Publication
60.60
1991-03-07
International Standard published
90
Review
90.20
1995-11-30
International Standard under systematic review
90.60
1996-06-30
Close of review
90.93
1997-09-05
International Standard confirmed
90.92
1998-03-23
International Standard to be revised
95
Withdrawal
95.99
1998-10-29
Withdrawal of International Standard
Revised by
Withdrawn
ISO 389-1:1998
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