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21.Accounting machine with means for handling positive and negative balances 失效
Title translation: 会计机器,用于处理正负余额公开(公告)号:US2569830A
公开(公告)日:1951-10-02
申请号:US14763950
申请日:1950-03-04
Applicant: IBM
Inventor: RABENDA EDWARD J
CPC classification number: G06C11/08
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22.
公开(公告)号:US2569829A
公开(公告)日:1951-10-02
申请号:US9102649
申请日:1949-05-03
Applicant: IBM
Inventor: RABENDA EDWARD J
IPC: E01C23/08
CPC classification number: G06K17/00
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23.Record controlled accounting machine having two forms of item entering mechanisms 失效
Title translation: 具有两种形式的项目进入机制的记录控制的会计机器公开(公告)号:US2551088A
公开(公告)日:1951-05-01
申请号:US3472648
申请日:1948-06-23
Applicant: IBM
Inventor: BEATTIE HORACE S , RABENDA EDWARD J
CPC classification number: G06K17/00
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公开(公告)号:US2426049A
公开(公告)日:1947-08-19
申请号:US50261443
申请日:1943-09-16
Applicant: IBM
Inventor: RABENDA EDWARD J , FURMAN FRANK J
CPC classification number: G06K15/04
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公开(公告)号:US2399755A
公开(公告)日:1946-05-07
申请号:US52908644
申请日:1944-04-01
Applicant: IBM
Inventor: MILLS ALBERT W , FURMAN FRANK J , RABENDA EDWARD J
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公开(公告)号:US2398038A
公开(公告)日:1946-04-09
申请号:US58066845
申请日:1945-03-02
Applicant: IBM
Inventor: RABENDA EDWARD J , FURMAN FRANK J
CPC classification number: C01B21/082
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公开(公告)号:US2362027A
公开(公告)日:1944-11-07
申请号:US51015643
申请日:1943-11-13
Applicant: IBM
Inventor: RABENDA EDWARD J
CPC classification number: B41B27/04
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公开(公告)号:US2350531A
公开(公告)日:1944-06-06
申请号:US50438643
申请日:1943-09-30
Applicant: IBM
Inventor: RABENDA EDWARD J , KISTNER HAROLD J
IPC: G06K13/067
CPC classification number: G06K13/067
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公开(公告)号:US2076744A
公开(公告)日:1937-04-13
申请号:US108735
申请日:1935-01-10
Applicant: IBM
Inventor: RABENDA EDWARD J
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公开(公告)号:US3177471A
公开(公告)日:1965-04-06
申请号:US5538760
申请日:1960-09-12
Applicant: IBM
Inventor: RABENDA EDWARD J , MARQUARDT EUGENE E
IPC: G06F7/02
CPC classification number: G06F7/026 , Y10S707/99936
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