DD 200:1991
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Specification for pliable non-rigid conduit and fittings for direct burial underground (type DB)
Hardcopy , PDF
01-01-1994
English
31-05-1991
Conduits to carry electric power or communication cables including fibre optic cables.
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