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1.Electronic circuit for automatic blade control for motor graders 失效
Title translation: 用于电机分级的自动叶片控制的电子电路公开(公告)号:US3454101A
公开(公告)日:1969-07-08
申请号:US3454101D
申请日:1967-06-12
Applicant: CATERPILLAR TRACTOR CO
Inventor: BREITBARTH WILLIAM W , CARTER JOHN W , COSTA PHILIP J
CPC classification number: F15B9/03 , E01C19/004 , E02F3/845 , Y10T137/7761
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2.Automatic blade control for a road grader with a blade simulator mounted in a ball and socket connection 失效
Title translation: 用于具有安装在球窝连接中的刀片模拟器的道路平地机的自动叶片控制公开(公告)号:US3229391A
公开(公告)日:1966-01-18
申请号:US35110264
申请日:1964-03-11
Applicant: CATERPILLAR TRACTOR CO
Inventor: BREITBARTH WILLIAM W , CARTER JOHN W , COSTA PHILIP J , LAUTERBACH JERRE F
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公开(公告)号:US3328905A
公开(公告)日:1967-07-04
申请号:US39714664
申请日:1964-09-17
Applicant: CATERPILLAR TRACTOR CO
Inventor: PAGE RUSSELL D , BREITBARTH WILLIAM W
IPC: E02F3/84
CPC classification number: E02F3/845
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