Recent
Class
Inventors
Assignees
Top Lists
Pricing
Account
Patents-Review.com
Home
Classification
H01J
H01J2893/00
H01J2893/0048
H01J2893/0049
ClassID:
206855
⎘
H01J2893/0049 - CPC Classification
Classification description:
Discharge tubes and lamps; Tubes with a main cathode Internal parts