xmlns:atom="http://www.w3.org/2005/Atom" xmlns:atom="http://www.w3.org/2005/Atom"
13. Pressurised pipes for the containment of transmission systems, including for example electrical power and telephone cables;U.K.
Commencement Information
I1Sch. 1 para. 13 in force at 29.11.1999, see reg. 1(3)