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公开(公告)号:US3291133A
公开(公告)日:1966-12-13
申请号:US31610663
申请日:1963-10-14
申请人: NCR CO
IPC分类号: G06K17/00
CPC分类号: G06K17/0006 , G06K17/00 , Y10S209/932 , Y10S402/501
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公开(公告)号:US3466156A
公开(公告)日:1969-09-09
申请号:US3466156D
申请日:1966-12-01
申请人: NCR CO
发明人: PETERS RICHARD T , BOURDON JOSEPH J
CPC分类号: G11B5/725 , G11B5/72 , Y10S428/90 , Y10S428/91 , Y10S428/926 , Y10T428/12243 , Y10T428/12431 , Y10T428/12549 , Y10T428/12569 , Y10T428/12736 , Y10T428/12785 , Y10T428/12931 , Y10T428/12986 , Y10T428/265 , Y10T428/31681 , Y10T428/31801
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