| http://www.w3.org/ns/prov#value | - Armature is movable between two limit positions of rest and is moved in one direction due to energisation of an electromagnet and after the electromagnet is de-energised is returned by energy stored during the movement in the first direction, e.g. by using a spring, by using a permanent magnet, by gravity {(motors with armature moved one way and returned by spring in general H02K 33/02)} [2013???0
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