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公开(公告)号:US2450973A
公开(公告)日:1948-10-12
申请号:US59083945
申请日:1945-04-28
Applicant: TRIPLETT ELECTRICAL INSTR COMP
Inventor: LINGEL FREDERICK J
IPC: H01F38/30
CPC classification number: H01F38/30
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公开(公告)号:US2581734A
公开(公告)日:1952-01-08
申请号:US13795050
申请日:1950-01-11
Applicant: TRIPLETT ELECTRICAL INSTR COMP
Inventor: TRIPLETT WILLIAM R
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