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公开(公告)号:US3198260A
公开(公告)日:1965-08-03
申请号:US26249263
申请日:1963-03-04
Applicant: MASSEY FERGUSON SA
Inventor: GAY GEORGES F , SASSIER SERGE M
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公开(公告)号:US3191686A
公开(公告)日:1965-06-29
申请号:US22620562
申请日:1962-09-26
Applicant: INT HARVESTER CO
Inventor: EVERETT CHARLES V , CLARK EVERETT M
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公开(公告)号:US3181616A
公开(公告)日:1965-05-04
申请号:US13120961
申请日:1961-08-14
Applicant: CARL OPPEL HEINZ
Inventor: CARL OPPEL HEINZ
IPC: A01D25/04
CPC classification number: A01D25/04
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公开(公告)号:US3070175A
公开(公告)日:1962-12-25
申请号:US4747960
申请日:1960-08-04
Applicant: DEERE & CO
Inventor: MCCOLLUM JACK W
IPC: A01D25/04
CPC classification number: A01D25/04
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公开(公告)号:US3054460A
公开(公告)日:1962-09-18
申请号:US5880560
申请日:1960-09-27
Applicant: STEKETEE CORNELIS J
Inventor: STEKETEE CORNELIS J
IPC: A01D25/04
CPC classification number: A01D25/044
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公开(公告)号:US2907393A
公开(公告)日:1959-10-06
申请号:US66459657
申请日:1957-06-10
Applicant: NAT RES DEV
Inventor: CLEMENT HAWKINS JOHN
IPC: A01D25/04
CPC classification number: A01D25/048
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公开(公告)号:US2718108A
公开(公告)日:1955-09-20
申请号:US45010454
申请日:1954-08-16
Applicant: WALLACE SCHMIDT LEWIS
Inventor: WALLACE SCHMIDT LEWIS
IPC: A01D25/04
CPC classification number: A01D25/044
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公开(公告)号:US2637155A
公开(公告)日:1953-05-05
申请号:US14001650
申请日:1950-01-23
Applicant: WALLACE SCHMIDT LEWIS , VINCENT LEA HENRY
Inventor: WALLACE SCHMIDT LEWIS , VINCENT LEA HENRY
IPC: A01D25/04
CPC classification number: A01D25/044
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公开(公告)号:US2629216A
公开(公告)日:1953-02-24
申请号:US15037150
申请日:1950-03-18
Applicant: RUETENIK HOWARD J
Inventor: RUETENIK HOWARD J
IPC: A01D25/04
CPC classification number: A01D25/044
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公开(公告)号:US2528805A
公开(公告)日:1950-11-07
申请号:US57938045
申请日:1945-02-23
Applicant: DEERE & CO
Inventor: WALZ CLAUDE W , GRIFF ROBERT D , CLAUSEN HOWARD F
CPC classification number: A01D25/02 , A01D25/044
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