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公开(公告)号:US3286157A
公开(公告)日:1966-11-15
申请号:US18761962
申请日:1962-04-16
Applicant: CIT ALCATEL
Inventor: JOSEPH LEOSTIC
IPC: H02M3/156
CPC classification number: H02M3/1563
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公开(公告)号:US3332019A
公开(公告)日:1967-07-18
申请号:US34356364
申请日:1964-02-10
Applicant: CIT ALCATEL
Inventor: JOSEPH LEOSTIC , LUCIEN BABANY , ALAIN CABET , JACQUES SELZ
IPC: G01R29/08
CPC classification number: G01R29/0871
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