Invention Grant
- Patent Title: External field magnetic head
- Patent Title (中): 外场磁头
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Application No.: US22563062Application Date: 1962-09-24
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Publication No.: US3230517APublication Date: 1966-01-18
- Inventor: SUPERNOWICZ EDWARD J
- Applicant: IBM
- Assignee: Ibm
- Current Assignee: Ibm
- Priority: US22563062 1962-09-24
- Main IPC: G11B5/127
- IPC: G11B5/127 ; G11B5/31 ; G11B5/48 ; G11B5/58
Information query
IPC分类:
