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DEFSTAN 93-55/1(1989) : 1989
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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BUTYL RUBBER TYPE: NBC
Superseded date
30-06-2001
Published date
12-01-2013
Publisher
Covers requirements for high quality black butyl rubber mixes meant primarily for the manufacture of NBC overboots.
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