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公开(公告)号:US2554187A
公开(公告)日:1951-05-22
申请号:US68991646
申请日:1946-08-12
Applicant: ROLLS ROYCE
Inventor: ARNOLD GRIFFITH ALAN
IPC: B64C21/02
CPC classification number: B64C21/025 , B64C2230/04 , Y02T50/166
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公开(公告)号:US2408632A
公开(公告)日:1946-10-01
申请号:US49841443
申请日:1943-08-12
Applicant: ROLLS ROYCE
Inventor: ARNOLD GRIFFITH ALAN
IPC: B64C23/00
CPC classification number: B64C23/00
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