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Includes a modified scope and field of application. A symbol for filtered air has been added, and details of the supplementary marker have been expanded.
Author | BSI |
---|---|
Editor | BSI |
Document type | Standard |
Format | File |
Confirmation date | 2010-11-01 |
EAN ISBN | 0 580 16256 7 |
ICS | 49.080 : Aerospace fluid systems and components
|
Number of pages | 10 |
Replace | BS 4M 23:1977 |
Cross references | ISO 12:1987 |
Modified by | AMD 6071 published July 1989 effective July 1989 Free of charge incorporated |
Year | 1980 |
Country | United Kingdom |
Keyword | M 23:1987;M23:1987 |