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公开(公告)号：US3465950A
公开(公告)日：1969-09-09
申请号：US3465950D
申请日：1968-01-22
Applicant: GEN ELECTRIC
Inventor： FREID WILBERT BERNARD , DUFFY ROBERT JOSEPH , SARGISSON DONALD FARLEY
CPC classification number: F02C7/05
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