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公开(公告)号：US2547644A
公开(公告)日：1951-04-03
申请号：US1810448
申请日：1948-03-31
Applicant: GEN ELECTRIC
Inventor： HOGUE ALFRED L , RANEY EDWIN A , YOUNG JAMES A , RUNALDUE LEWIS R
CPC classification number: H01G4/228 , H01G13/006 , Y10T29/435
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