DEFSTAN 68-54/1(1978) : 1978
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
POTASSIUM SULPHATE
01-03-1989
12-01-2013
Specifies a grade of potassium sulphate used as a flash suppressant in propellants.
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