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公开(公告)号：US2447657A
公开(公告)日：1948-08-24
申请号：US69063046
申请日：1946-08-15
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor： LUDWIG LEON R , TRONCATTI CARL P
IPC: H02K17/16
CPC classification number: H02K17/16
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