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公开(公告)号:US3308662A
公开(公告)日:1967-03-14
申请号:US36813564
申请日:1964-05-18
Applicant: ROBERT MAURER
Inventor: ROBERT MAURER
CPC classification number: H05K13/0495 , G01F1/80
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公开(公告)号:US3407657A
公开(公告)日:1968-10-29
申请号:US53244966
申请日:1966-03-07
Applicant: ROBERT MAURER
Inventor: ROBERT MAURER
IPC: G01F1/80
CPC classification number: G01F1/80
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