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1.Apparatus for facilitating the taking off and landing of vertical rising aircraft 失效
Title translation: 用于促进垂直升降机起飞和着陆的装置公开(公告)号:US2807429A
公开(公告)日:1957-09-24
申请号:US39510853
申请日:1953-11-30
Applicant: LOCKHEED AIRCRAFT CORP
Inventor: HAWKINS JR WILLIS M , FROST EUGENE C
CPC classification number: B63B35/50 , B64C29/0091 , B64C29/02 , B64D5/00
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公开(公告)号:US2756693A
公开(公告)日:1956-07-31
申请号:US28708952
申请日:1952-05-10
Applicant: LOCKHEED AIRCRAFT CORP
Inventor: FROST EUGENE C
CPC classification number: B64D9/003 , B60P7/0807 , Y02T50/46
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公开(公告)号:US3045236A
公开(公告)日:1962-07-17
申请号:US45887454
申请日:1954-09-28
Applicant: LOCKHEED AIRCRAFT CORP
Inventor: COLMAN PHILIP A , FROST EUGENE C
IPC: H01Q1/42
CPC classification number: H01Q1/428
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公开(公告)号:US2683005A
公开(公告)日:1954-07-06
申请号:US20665551
申请日:1951-01-18
Applicant: LOCKHEED AIRCRAFT CORP
Inventor: FROST EUGENE C
IPC: B64C39/02
CPC classification number: B64C39/02
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公开(公告)号:US2673051A
公开(公告)日:1954-03-23
申请号:US22767551
申请日:1951-05-22
Applicant: LOCKHEED AIRCRAFT CORP
Inventor: FROST EUGENE C
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