This draft is now available for public comment and your views and technical comments on it would be appreciated. If you
have no specific comments to make but find it generally acceptable it would be helpful if you would notify us accordingly.
Suggestions entailing revision of the text should indicate the preferred wording.
AECMA PREN 4228-1995 history
1995AECMA PREN 4228-1995 Aerospace Series Pipe Couplings, 60 Degrees; in Anodized Aluminium Alloy Sleeves Brazing