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1.
公开(公告)号:CH472296A
公开(公告)日:1969-05-15
申请号:CH521668
申请日:1968-04-08
Applicant: IBM
Inventor: JAMES ALEXANDER CRAFT , O'NEIL SCHAEFER JOHN
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公开(公告)号:MX152269A
公开(公告)日:1982-09-24
申请号:MX19449982
申请日:1982-09-24
Applicant: IBM
Inventor: JAMES ALEXANDER CRAFT
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