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公开(公告)号:US3215830A
公开(公告)日:1965-11-02
申请号:US28609063
申请日:1963-06-06
Applicant: CONDUCTRON CORP
Inventor: DEN BROEK JAN A VAN
IPC: G03B21/20
CPC classification number: G03B21/20
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公开(公告)号:US3393959A
公开(公告)日:1968-07-23
申请号:US28602663
申请日:1963-06-06
Applicant: CONDUCTRON CORP
Inventor: DEN BROEK JAN A VAN
IPC: G01J3/04
CPC classification number: G01J3/04
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