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公开(公告)号：US2666905A
公开(公告)日：1954-01-19
申请号：US17015750
申请日：1950-06-24
Applicant: TRIPLETT ELECTRICAL INSTR COMP
Inventor： GERLACH CARL F
IPC: H01F21/04
CPC classification number: H01F21/04
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