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公开(公告)号:US2726074A
公开(公告)日:1955-12-06
申请号:US16292050
申请日:1950-05-19
Applicant: BELL TELEPHONE LABOR INC
Inventor: KETCHLEDGE RAYMOND W
IPC: G01P15/08
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42.
公开(公告)号:US3118062A
公开(公告)日:1964-01-14
申请号:US4393848
申请日:1948-08-12
Applicant: BELL TELEPHONE LABOR INC
Inventor: ILGENFRITZ LESTER M , KETCHLEDGE RAYMOND W , MOORE HILBERT R
CPC classification number: F41G7/2206 , F41G7/2253 , F41G7/2293 , G01S3/786
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公开(公告)号:US3078447A
公开(公告)日:1963-02-19
申请号:US9992361
申请日:1961-03-31
Applicant: BELL TELEPHONE LABOR INC
Inventor: KETCHLEDGE RAYMOND W
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公开(公告)号:US2985808A
公开(公告)日:1961-05-23
申请号:US85674959
申请日:1959-12-02
Applicant: BELL TELEPHONE LABOR INC
Inventor: KETCHLEDGE RAYMOND W
CPC classification number: G05D3/1472 , G05D3/16 , G05D3/18
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公开(公告)号:US2964265A
公开(公告)日:1960-12-13
申请号:US1731948
申请日:1948-03-26
Applicant: BELL TELEPHONE LABOR INC
Inventor: KETCHLEDGE RAYMOND W
CPC classification number: G01S3/783 , F41G7/2213 , F41G7/2253 , F41G7/2293
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公开(公告)号:US2936402A
公开(公告)日:1960-05-10
申请号:US42633754
申请日:1954-04-29
Applicant: BELL TELEPHONE LABOR INC
Inventor: KETCHLEDGE RAYMOND W
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公开(公告)号:US2923475A
公开(公告)日:1960-02-02
申请号:US65189757
申请日:1957-04-10
Applicant: BELL TELEPHONE LABOR INC
Inventor: KETCHLEDGE RAYMOND W
IPC: G06F7/02
CPC classification number: G06F7/026
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公开(公告)号:US2897369A
公开(公告)日:1959-07-28
申请号:US57018144
申请日:1944-12-28
Applicant: BELL TELEPHONE LABOR INC
Inventor: KETCHLEDGE RAYMOND W
IPC: G01S3/786
CPC classification number: G01S3/786
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公开(公告)号:US2884565A
公开(公告)日:1959-04-28
申请号:US45657154
申请日:1954-09-16
Applicant: BELL TELEPHONE LABOR INC
Inventor: BOYLE WILLARD S , KETCHLEDGE RAYMOND W
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公开(公告)号:US2883467A
公开(公告)日:1959-04-21
申请号:US42633854
申请日:1954-04-29
Applicant: BELL TELEPHONE LABOR INC
Inventor: KETCHLEDGE RAYMOND W
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