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公开(公告)号:US1997176A
公开(公告)日:1935-04-09
申请号:US52909231
申请日:1931-04-10
Applicant: IBM
Inventor: HASKINS CLIFFORD B
IPC: G01G1/00
CPC classification number: G01G1/00
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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:US2016703A
公开(公告)日:1935-10-08
申请号:US59899832
申请日:1932-03-15
Applicant: IBM
Inventor: BREADEN CARROLL E , HASKINS CLIFFORD B
IPC: G01G23/02
CPC classification number: G01G23/02
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公开(公告)号:US2010666A
公开(公告)日:1935-08-06
申请号:US50428430
申请日:1930-12-23
Applicant: IBM
Inventor: HASKINS CLIFFORD B
IPC: G01G23/14
CPC classification number: G01G23/14
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