3D printing services in particular with regards to 3D printing of metal

X-ray tubes not for medical purposes; CT tubes not for medical purposes; vacuum contractors, namely, vacuum contactors not for medical purposes; electric vacuum relays; high voltage high vacuum rectifiers; silicon diode rectifiers

X-RAY TUBES AND HOUSINGS FOR X-RAY TUBES

X-RAY TUBES, VACUUM CONTACTS, VACUUM RELAYS, HIGH VOLTAGE HIGH VACUUM RECTIFIERS, AND SILICON DIODE RECTIFIERS