74343405
Dec 28, 1992
Apr 12, 1994
scientific instruments for measuring thermal, mechanical, physical, and chemical properties; namely, dilatometers, thermal conductivity meters, thermal diffusivity meters, thermal resistivity meters, electrical resistivity meters, calorimeters, reactivity and corrosion testers, strength and impact testers, density testers, thermo analytical testers, thermogravimetric testers
Electrical and Scientific Apparatus