73246875
Jan 21, 1980
Aug 4, 1981
Electrical and Electronic Supervision, Measuring, Control, Switching, Transmitting, Receiving and Distribution Apparatus and Instruments Used in Industrial Control Operations; Electrical and Electronic Installations for Use in the Supervision, Checking and Automatic Remote Control of Industrial Operations and in the Calculation and Furnishing of Data and Statistical Information; Pneumatic Control Apparatus, Comprising Pneumatic Valves, Control Indicators and Switches; Pneumatic Supervision, Measuring, Control, Switching, Transmitting, Receiving and Distribution Apparatus Used in Industrial Control Operations
Electrical and Scientific Apparatus