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 hut 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. Please quote the relevant clause number against any comment.
AECMA TR 3970-1996 history
1996AECMA TR 3970-1996 Aerospace Series Designation Codes for Semi-Finished Metallic Products Edition 1