The text of this standard , whick exists in thress equivalent versions has been drawn up under the responsibility of AECMA and has been circulated to Official Services. Any reservations expressed by Official Services and not resolved in this issue, have been incorporated in the history sheet which has accompanied this prEN to CEN.
AECMA PREN 2729-1986 history
1986AECMA PREN 2729-1986 Aerospace Series Aluminium Alloy Al-C27-T6 Chill Castings Issue P 1