DEFSTAN 68-22/1(1972) : 1
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
OXYGEN, LIQUID (FOR BREATHING)
16-10-1992
12-01-2013
Outlines requirements for test and inspection of liquid oxygen, used in breathing apparatus.
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