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公开(公告)号：US3470508A
公开(公告)日：1969-09-30
申请号：US3470508D
申请日：1967-08-07
Applicant: COMP GENERALE ELECTRICITE
Inventor： DONADIEU LUCIEN , KLOECKNER EDMOND , AUPOX MARCEL , ROVET JEAN
CPC classification number: H01F6/06 , Y10S505/88 , Y10S505/887 , Y10T29/49069
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