{HEAD ~ A single reel tape cartridge} includes a type of magnetic recording tape having characteristics which are identified to a cartridge tape handling system in accordance with size variation of a tape type hole following {TAIL ~ a beginning} of tape hole by a predetermined, qualifying distance 
{ HEAD ~ A single reel tape cartridge } includes a type of magnetic recording tape having characteristics which are identified to a cartridge tape handling system in accordance with size variation of a tape type hole following { TAIL ~ a beginning } of tape hole by a predetermined , qualifying distance
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