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公开(公告)号:US2000168A
公开(公告)日:1935-05-07
申请号:US58677732
申请日:1932-01-15
Applicant: IBM
Inventor: GILBERT WILLIAM N
CPC classification number: G01G1/24 , G01G21/235
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公开(公告)号:US1969365A
公开(公告)日:1934-08-07
申请号:US67184133
申请日:1933-05-19
Applicant: IBM
Inventor: GILBERT WILLIAM N
IPC: G01G23/00
CPC classification number: G01G23/00
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公开(公告)号:US1969363A
公开(公告)日:1934-08-07
申请号:US47005330
申请日:1930-07-23
Applicant: IBM
Inventor: GILBERT WILLIAM N
IPC: G01G21/00
CPC classification number: G01G21/00
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公开(公告)号:US2036042A
公开(公告)日:1936-03-31
申请号:US61085632
申请日:1932-05-12
Applicant: IBM
Inventor: WILLIAM GUMPRICH , GILBERT WILLIAM N
IPC: G01G1/00
CPC classification number: G01G1/00
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公开(公告)号:US2013539A
公开(公告)日:1935-09-03
申请号:US47028630
申请日:1930-07-24
Applicant: IBM
Inventor: GILBERT WILLIAM N , WILLIAM GUMPRICH
IPC: G01G21/02
CPC classification number: G01G21/02
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公开(公告)号:US1994512A
公开(公告)日:1935-03-19
申请号:US62800832
申请日:1932-08-09
Applicant: IBM
Inventor: GILBERT WILLIAM N , HASKINS CLIFFORD B
IPC: G01G1/00
CPC classification number: G01G1/00
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公开(公告)号:US2045974A
公开(公告)日:1936-06-30
申请号:US5199635
申请日:1935-11-29
Applicant: IBM
Inventor: VON PEIN EDWARD J , GILBERT WILLIAM N
IPC: G01G1/00
CPC classification number: G01G1/00
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公开(公告)号:US2016714A
公开(公告)日:1935-10-08
申请号:US67022933
申请日:1933-05-10
Applicant: IBM
Inventor: GILBERT WILLIAM N
IPC: G01G23/26
CPC classification number: G01G23/26
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公开(公告)号:US1969364A
公开(公告)日:1934-08-07
申请号:US51065231
申请日:1931-01-23
Applicant: IBM
Inventor: GILBERT WILLIAM N
IPC: G01G21/00
CPC classification number: G01G21/00
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公开(公告)号:US1930268A
公开(公告)日:1933-10-10
申请号:US27714128
申请日:1928-05-12
Applicant: IBM
Inventor: GILBERT WILLIAM N
IPC: G01G21/04
CPC classification number: G01G21/04 , Y10T403/32139 , Y10T403/32163
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