| http://www.w3.org/ns/prov#value | - body in such a manner as to oppose one another, said rotor being disposed so as to intercept the passage of light from said light-emitting elements to said light-receiving elements; a group of light transmitting portions and/or light intercepting portions disposed on said key in such a manner as to correspond to the arrangement of said light-emitting and light-receiving elements; a notch formed on
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