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公开(公告)号：US3226551A
公开(公告)日：1965-12-28
申请号：US21759862
申请日：1962-08-17
Applicant: GEN ELECTRIC
Inventor： CAMPBELL REX C
IPC: H02P5/48
CPC classification number: H02P5/48
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公开(公告)号：US3428877A
公开(公告)日：1969-02-18
申请号：US3428877D
申请日：1965-12-01
Applicant: GEN ELECTRIC
Inventor： CAMPBELL REX C , MCDOWELL EARLE B
CPC classification number: B26D5/34
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