73084204
Apr 16, 1976
Mar 15, 1977
DEVICES FOR TEACHING THE PRINCIPLE OF PLASTIC FORMING, SEALING AND COATING-NAMELY, INJECTION MOLDERS, HEAT SEALERS, STRIP HEATERS, COMPRESSION AND LAMINATING PRESSES, ROTATIONAL MOLDERS, VACUUM FORMERS, PLASTIC COATERS, AND COMBINED VACUUM AND PRESS FORMING MACHINERY
Electrical and Scientific Apparatus