Invention Grant
- Patent Title: Mechanical damping of planar vacuum tube grids
- Patent Title (中): 平面真空管网的机械阻尼
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Application No.: US3487253DApplication Date: 1967-08-28
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Publication No.: US3487253APublication Date: 1969-12-30
- Inventor: SCHARMANN LAWRENCE E
- Applicant: US ARMY
- Assignee: US Secretary of Army
- Current Assignee: US Secretary of Army
- Priority: US66424267 1967-08-28
- Main IPC: H01J19/38
- IPC: H01J19/38 ; H01J1/18 ; H01J19/12
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