The detecting device 1, wherein 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 {HEAD ~ a path} for {TAIL ~ the introduced coin} 
for
The detecting device 1 , wherein 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 { HEAD ~ a path } for { TAIL ~ the introduced coin }
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