| http://www.w3.org/ns/prov#value | - ace of said cylindrical portion having formed therein an elongated recess about said aperture and port thereof, said manifold having an inlet communicating with said passageway of said cylindrical portion and being substantially closed to the flow of fluid except through said inlet and outlet; and a normally generally toroidal sealing element fabricated from a resiliently deformable synthetic resi
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