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公开(公告)号:US2464592A
公开(公告)日:1949-03-15
申请号:US63839545
申请日:1945-12-29
Applicant: IBM
Inventor: WARD LEATHERS , DI MONICO GEORGE S
CPC classification number: G05D3/12 , G01C19/38 , Y10S200/19 , Y10T74/1275
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公开(公告)号:US2449661A
公开(公告)日:1948-09-21
申请号:US63839745
申请日:1945-12-29
Applicant: IBM
Inventor: WARD LEATHERS , DI MONICO GEORGE S
IPC: G01C19/38
CPC classification number: G01C19/38 , Y10T74/125
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3.
公开(公告)号:US3015254A
公开(公告)日:1962-01-02
申请号:US63839445
申请日:1945-12-29
Applicant: IBM
Inventor: WARD LEATHERS , DI MONICO GEORGE S , LAWRENCE BRUEHL
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公开(公告)号:US2521379A
公开(公告)日:1950-09-05
申请号:US63839645
申请日:1945-12-29
Applicant: IBM
Inventor: WARD LEATHERS , DI MONICO GEORGE S
IPC: G01C19/26
CPC classification number: G01C19/26 , Y10T74/1207
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