AS B20-1940
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Charcoal wrought iron lapwelded tubes for boilers and unfired pressure vessels
Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users
24-03-2023
English
01-01-1940
Applies to charcoal wrought iron lapwelded tubes intended primarily for use int he construction of boilers, unfired pressure vessels and their appurtenances.
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