FEDREX
PORTABLE X-RAY APPARATUS FOR INDUSTRIAL RADIOGRAPHY AND PARTS AND ACCESSORIES THEREOF-NAMELY X-RAY TUBES, HIGH VOLTAGE TRANSFORMERS, FILAMENT TRANSFORMERS, COOLING PUMPS; CONTROL PANELS COMPRISING MEASURING AND INDICATING INSTRUMENTS, REGULATING DEVICES, EXPOSURE TIMERS, SAFETY RELAYS; X-RAY FILM, INTENSIFYING SCREENS, METAL AND RUBBER CASETTES OR PACKS FOR SCREENS AND FILMS AND TUBE STANDS
Expired · March 7, 1955 · 71682880 ·
