{HEAD ~ A multi channel head device} 1, wherein said {TAIL ~ positioning member}, said load spring member and said head holder are each provided with positioning indicia, and said positioning spring member and said load spring member are aligned with each other in superposed manner and mated as one piece in said head holder 
wherein
{ HEAD ~ A multi channel head device } 1 , wherein said { TAIL ~ positioning member } , said load spring member and said head holder are each provided with positioning indicia , and said positioning spring member and said load spring member are aligned with each other in superposed manner and mated as one piece in said head holder
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