QQ-A-250-22 Revision A:1974
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
04-07-1998
Outlines specific prerequisites for improved exfoliation resistant alclad aluminum alloy 7178-T76 sheet and -T7651 plate, general requirements are found in QQ-A-250.
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