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Cluster key arrangement

  • US 20020110237A1
  • Filed: 04/22/2002
  • Published: 08/15/2002
  • Est. Priority Date: 04/23/1999
  • Status: Abandoned Application
First Claim
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1. A cluster key arrangement comprising:

  • a cluster key means including a primary key means and at least one secondary key means; and

    , switching means enabling a user to select said primary key means or said at least one secondary key means in a mutually exclusive manner.

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