Invention Grant
- Patent Title: Vacuum entry mechanism
- Patent Title (中): 真空输入机构
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Application No.: US3428197DApplication Date: 1966-04-13
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Publication No.: US3428197APublication Date: 1969-02-18
- Inventor: FISCHER CHRISTOPHER L , HAUGHTON KENNETH E
- Applicant: IBM
- Assignee: Ibm
- Current Assignee: Ibm
- Priority: US54237966 1966-04-13
- Main IPC: H01J5/30
- IPC: H01J5/30 ; H01J29/86 ; B65G65/30
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