75103111
May 13, 1996
Aug 3, 1999
graphical user interface-based computer programs for use in programming and documenting programmable logic controllers in industrial automation applications
Electrical and Scientific Apparatusmaintenance, consulting, debugging, updating, upgrading and improvement of software services in relation to graphical user interface-based computer programs for use in programming and documenting programmable logic controllers in industrial automation applications
Computer and Scientific