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公开(公告)号:US2754383A
公开(公告)日:1956-07-10
申请号:US31383552
申请日:1952-10-09
Applicant: ROLLS ROYCE
Inventor: FRANCIS GREEN PERCIE
CPC classification number: B64C11/385 , G05G15/00
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2.
公开(公告)号:US2543366A
公开(公告)日:1951-02-27
申请号:US13251649
申请日:1949-12-12
Applicant: ROLLS ROYCE
Inventor: LIONEL HAWORTH , FRANCIS GREEN PERCIE
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