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公开(公告)号:US3521130A
公开(公告)日:1970-07-21
申请号:US3521130D
申请日:1968-03-13
Applicant: ROBERT TRENT JONES INC
Inventor: DAVIS WAYNE E , ANDERSON JAMES R
CPC classification number: G05B19/075 , A01G25/162 , H03K17/73 , Y10T307/484
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公开(公告)号:US2656563A
公开(公告)日:1953-10-27
申请号:US17444850
申请日:1950-07-18
Applicant: ROBERT TRENT JONES
Inventor: REES JONES WILLIAM
CPC classification number: E05F1/1261 , E05D11/1064 , E05Y2201/638 , E05Y2900/516 , Y10T16/53834 , Y10T16/53885 , Y10T16/54025 , Y10T16/82
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3.
公开(公告)号:US3372899A
公开(公告)日:1968-03-12
申请号:US48747765
申请日:1965-09-15
Applicant: ROBERT TRENT JONES INC
Inventor: MCPHERSON JOHN A
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