Invention Grant
- Patent Title: Electron discharge device
- Patent Title (中): 电子放电装置
-
Application No.: US53019831Application Date: 1931-04-15
-
Publication No.: US1984992APublication Date: 1934-12-18
- Inventor: RONCI VICTOR L , CLARK JAMES E
- Applicant: BELL TELEPHONE LABOR INC
- Assignee: Nokia Bell Labs
- Current Assignee: Nokia Bell Labs
- Priority: US53019831 1931-04-15
- Main IPC: H01J19/42
- IPC: H01J19/42
Information query
