74046232
Apr 5, 1990
Dec 10, 1991
scientific measuring instruments used in determination of physical properties of materials; namely, dilatometers, creep testers, strength and rigidity testers, temperature programmers and controllers, data acquisition and analysis equipment; namely, analog chart recorders, and digital measuring, display and printing equipment used to log varying electrical signals during time intervals of change, thermal conduction and diffusion measuring instruments, density meters, and dimension testers
Electrical and Scientific Apparatus