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1.Apparatus for supporting and holding foldable rotor blades of helicopters 失效
Title translation: 用于支撑和保持直升机的可折叠转子叶片的装置公开(公告)号:US3133715A
公开(公告)日:1964-05-19
申请号:US24481662
申请日:1962-12-14
Applicant: SUD AVIATION
Inventor: JEAN GRUNFELDER
IPC: B64C27/50
CPC classification number: B64C27/50
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公开(公告)号:US3158203A
公开(公告)日:1964-11-24
申请号:US25159363
申请日:1963-01-15
Applicant: SUD AVIATION
Inventor: JEAN GRUNFELDER
IPC: B64C27/50
CPC classification number: B64C27/50
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公开(公告)号:US3332705A
公开(公告)日:1967-07-25
申请号:US45364865
申请日:1965-05-06
Applicant: SUD AVIATION
Inventor: JEAN GRUNFELDER
CPC classification number: B62D63/068 , B60G13/04 , B62B3/02 , B62B5/049 , B62B2301/04 , B62D13/00 , B62D21/20 , B62D53/0864
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公开(公告)号:US2989273A
公开(公告)日:1961-06-20
申请号:US68876057
申请日:1957-10-07
Applicant: SUD AVIATION
Inventor: JEAN GRUNFELDER
IPC: B64C27/04
CPC classification number: B64C27/12 , B64C2025/325
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