| http://www.w3.org/ns/prov#value | - The invention also provides a sealing and retaining collar for use in connecting a fuel tank filler pipe to the tank, the collar comprising an annular seal and a retaining portion axially spaced from the seal, the seal and the retaining portion being adapted to, respectively, seal and retain a filler pipe in the collar, the collar furthermore including means by which it can be secured to the wall
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