I.S. 51:2001
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
CLAY FLUE LININGS AND FLUE TERMINALS
03-09-2001
03-09-2001
Applies to straight and curved jointed flue linings of square or circular cross-section and flue terminals suitable for various uses. Requirements regarding manufacture, surface finish, colour and freedom from defects are given.
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