75219857
Dec 30, 1996
Mar 16, 1999
microprocessor-based, distributed control and data acquisition network consisting of keyboards, display panels and associated fully integrated operating system architecture, used for manufacturing and municipal operations, and information processing systems, for use in the field of electric power generation and distribution, steel, aluminum and other metal-making operations, water and wastewater treatment operations, and chemical process operations
Electrical and Scientific Apparatus