73076324
Feb 5, 1976
May 23, 1978
STRIP CHART RECORDERS; DIGITAL INDICATORS; MULTIPLEXERS; DIGITAL DATA SYSTEMS SOLD AS A UNIT AND COMPRISING DATA PROCESSOR, CONTROL TERMINAL, COLUMNAR PRINTER, MULTIPLEXER PROGRAMMER, DIGITAL LIMIT MODULE AND DIGITAL CLOCK; MANUAL SWITCHING UNITS FOR USE WITH STRIP CHART RECORDERS; DIGITAL MULTIPLEXERS; REMOTE INPUT SELECTORS FOR USE WITH STRIP CHART RECORDERS AND DIGITAL INDICATORS
Electrical and Scientific Apparatus