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公开(公告)号：US3019286A
公开(公告)日：1962-01-30
申请号：US81909459
申请日：1959-06-09
Applicant: ASEA AB
Inventor： RAGNAR ANDERSSON ANDERS , TORSTEN AGREN PER
IPC: H01B3/04
CPC classification number: H01B3/04
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