Invention Grant
- Patent Title: Magnetic structure
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Application No.: US22591338Application Date: 1938-08-20
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Publication No.: US2222425APublication Date: 1940-11-19
- Inventor: WEHE HERMAN G
- Applicant: BELL TELEPHONE LABOR INC
- Assignee: Nokia Bell Labs
- Current Assignee: Nokia Bell Labs
- Priority: US22591338 1938-08-20
- Main IPC: G01K7/38
- IPC: G01K7/38 ; H01J40/00 ; H02N10/00
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