{HEAD ~ The detecting device} 1, wherein {TAIL ~ the movable contact} includes a swinging lever formed of a metallic material which intercepts the coin introduced between the contacts, and the fixed contact includes a metal piece that at least partially defines a path for the introduced coin 
{ HEAD ~ The detecting device } 1 , wherein { TAIL ~ the movable contact } includes a swinging lever formed of a metallic material which intercepts the coin introduced between the contacts , and the fixed contact includes a metal piece that at least partially defines a path for the introduced coin
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