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1.Apparatus for furnishing information as to positioning of objects 失效
Title translation: 用于提供关于物体定位的信息的装置公开(公告)号:US3172075A
公开(公告)日:1965-03-02
申请号:US16381162
申请日:1962-01-02
Applicant: NAT RES DEV
Inventor: LESLIE KAY
CPC classification number: G01S15/34 , G01S15/88 , Y10S367/91
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公开(公告)号:US3135942A
公开(公告)日:1964-06-02
申请号:US2831760
申请日:1960-05-11
Applicant: NAT RES DEV
Inventor: GORDON TUCKER DAVID , LESLIE KAY
IPC: G01S15/34
CPC classification number: G01S15/34
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公开(公告)号:US3366922A
公开(公告)日:1968-01-30
申请号:US54185166
申请日:1966-04-11
Applicant: NAT RES DEV
Inventor: LESLIE KAY
CPC classification number: G09B21/006 , G01S15/34 , G01S15/87 , Y10S367/91
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