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公开(公告)号：US3470030A
公开(公告)日：1969-09-30
申请号：US3470030D
申请日：1966-06-15
Applicant: ASEA AB
Inventor： LINDHOLM INGEMAR , KARLSSON GUN
CPC classification number: H01M4/86 , Y10S65/06 , Y10T29/49108 , Y10T428/12007 , Y10T428/12812
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