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公开(公告)号:US3404349A
公开(公告)日:1968-10-01
申请号:US36311364
申请日:1964-04-28
Applicant: BELL TELEPHONE LABOR INC
Inventor: RIGROD WILLIAM W
CPC classification number: H01S3/076 , H01S3/0323 , H01S3/083
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公开(公告)号:US3322026A
公开(公告)日:1967-05-30
申请号:US31769863
申请日:1963-10-21
Applicant: BELL TELEPHONE LABOR INC
Inventor: RIGROD WILLIAM W
IPC: G01N21/25
CPC classification number: G01N21/255
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公开(公告)号:US2944182A
公开(公告)日:1960-07-05
申请号:US77361258
申请日:1958-11-13
Applicant: BELL TELEPHONE LABOR INC
Inventor: RIGROD WILLIAM W
IPC: H01J23/087
CPC classification number: H01J23/087
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