| http://www.w3.org/ns/prov#value | - According to the present invention there is provided an apparatus for guiding and extending installed ventilating conduits, said apparatus including a ventilating pipe or conduit store, said ventilating pipe store having an upstream end and a downstream end, a funnel guide releasably connectable to said upstream end of said ventilating pipe store and an outlet nozzle releasably connectable to said
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