73168445
May 1, 1978
May 19, 1981
Computer Batch System-Namely, Electric Calculating Machines and Machines for Weighing, Measuring, Signalling, Supervising and Controlling Digesters, Analyzing Machinery for Controlling, Regulating and Analyzing Batch Digesters
Electrical and Scientific ApparatusMachinery to Be Used with Batch Digesters-Namely, Heaters, Steam Generators, Boilers, Dryers, Coolers and Ventilators
Environmental Control Apparatus