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公开(公告)号：US3040116A
公开(公告)日：1962-06-19
申请号：US69750357
申请日：1957-11-19
Applicant: GAUVIN ROLAND J
Inventor： GAUVIN ROLAND J
CPC classification number: H01M2/385 , B63G8/08 , H01M2/38 , Y10T137/8359
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