Invention Grant
- Patent Title: Magnetic recording, reproducing or erasing head
- Patent Title (中): 磁记录，再现或擦除头
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Application No.: US5987448Application Date: 1948-11-13
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Publication No.: US2693508APublication Date: 1954-11-02
- Inventor: LORD HAROLD W
- Applicant: GEN ELECTRIC
- Assignee: Gen Electric
- Current Assignee: Gen Electric
- Priority: US5987448 1948-11-13
- Main IPC: G11B5/127
- IPC: G11B5/127 ; G11B5/17
Information query
IPC分类:
