74271535
May 1, 1992
machine parts; namely, bearings, electric brushing, rotary vane for use in connection with rotary pumps and vacuum pumps; hot press machine components; namely, dies and punches and seal rings; continuous casting dies
Machinerypantagraphs and parts thereof; molds used to manufacture transistors and diodes; namely, hermetic glass sealings and transistor fusion jigs; and electrical graphite resistors used to manufacture heat; graphite crucibles used to analyze and/or dissolve and/or refine metals and/or reduce gaseous elements in metallic substances
Electrical and Scientific Apparatus