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公开(公告)号:US1962732A
公开(公告)日:1934-06-12
申请号:US66702433
申请日:1933-04-20
Applicant: IBM
Inventor: BRYCE JAMES W , HALTERMANN HENRY L
CPC classification number: G06F7/463
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公开(公告)号:CA358809A
公开(公告)日:1936-06-30
申请号:CA358809D
Applicant: IBM
Inventor: BRYCE JAMES W , HALTERMANN HENRY L
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