| http://www.w3.org/ns/prov#value | - said primary piston to urge said primary piston toward its said raised, unactuated, rest position; and means for permitting a limited degree of relative movement between said poppet and sealing conduit, said means including a portion of said biasing means being located to engage both said poppet and said sealing conduit after actuation of said pump to return said sealing conduit to its said raise
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