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公开(公告)号：US3089074A
公开(公告)日：1963-05-07
申请号：US1598060
申请日：1960-03-18
Applicant: SUPERIOR ELECTRIC CO
Inventor： VAUGHAN ERIC W
IPC: H02M7/06
CPC classification number: H02M7/068 , Y10S257/909
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2.发明授权
公开(公告)号：US3152300A
公开(公告)日：1964-10-06
申请号：US63841357
申请日：1957-02-05
Applicant: SUPERIOR ELECTRIC CO
Inventor： PERRINS ALLEN R , VAUGHAN ERIC W
IPC: G05F1/32
CPC classification number: G05F1/32
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