Design and test requirements for 1¼, 1½, 2 nominal size waste traps connecting to wastes to the requirements of BS 3380 and other wastes with outlet of B.S.P. thread form of 1¼, 1½ or 2 nominal size.
All current amendments available at time of purchase are included with the purchase of this document.
All current amendments available at time of purchase are included with the purchase of this document.
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