US PATENT SUBCLASS 700 / 82
.~.~ Backup/standby

Current as of: June, 1999
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700 /   HD   DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS

1  DD  GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS {15}
79  DD  .~ Having protection or reliability feature {3}
82.~.~ Backup/standby