Invention Grant
- Patent Title: Oil film spacer for magnetic recording device
- Patent Title (中): 用于磁记录装置的油膜间隔物
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Application No.: US48641855Application Date: 1955-02-07
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Publication No.: US2969435APublication Date: 1961-01-24
- Inventor: LYNOTT JOHN J
- Applicant: IBM
- Assignee: Ibm
- Current Assignee: Ibm
- Priority: US48641855 1955-02-07
- Main IPC: G11B5/60
- IPC: G11B5/60 ; G11B23/50
Information query
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