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公开(公告)号:US2390273A
公开(公告)日:1945-12-04
申请号:US53008844
申请日:1944-04-08
Applicant: MINNEAPOLIS MOLINE POWER CO
Inventor: MARTIN RONNING , KEITH KENNETH M
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公开(公告)号:US2053794A
公开(公告)日:1936-09-08
申请号:US3024035
申请日:1935-07-08
Applicant: MINNEAPOLIS MOLINE POWER CO
Inventor: KEITH KENNETH M , PARKS ORVILLE J
IPC: A01C7/10
CPC classification number: A01C7/10 , Y10T74/19219 , Y10T74/19367
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公开(公告)号:US2053795A
公开(公告)日:1936-09-08
申请号:US3368035
申请日:1935-07-29
Applicant: MINNEAPOLIS MOLINE POWER CO
Inventor: KEITH KENNETH M , PARKS ORVILLE J
IPC: A01C19/00
CPC classification number: A01C19/00 , Y10T74/19219 , Y10T74/19367
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公开(公告)号:US2452153A
公开(公告)日:1948-10-26
申请号:US51656443
申请日:1943-12-31
Applicant: MINNEAPOLIS MOLINE POWER CO
Inventor: MARTIN RONNING , KEITH KENNETH M
IPC: A01D41/14
CPC classification number: A01D41/14
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公开(公告)号:US2422044A
公开(公告)日:1947-06-10
申请号:US55224844
申请日:1944-09-01
Applicant: MINNEAPOLIS MOLINE POWER CO
Inventor: MARTIN RONNING , KEITH KENNETH M
IPC: A01D34/86
CPC classification number: A01D34/86
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公开(公告)号:US2257097A
公开(公告)日:1941-09-30
申请号:US26643439
申请日:1939-04-06
Applicant: MINNEAPOLIS MOLINE POWER CO
Inventor: GUSTAV ANDERSON , PARKS ORVILLE J , KEITH KENNETH M
IPC: A01D45/02
CPC classification number: A01D45/02
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公开(公告)号:US2455906A
公开(公告)日:1948-12-07
申请号:US51656343
申请日:1943-12-31
Applicant: MINNEAPOLIS MOLINE POWER CO
Inventor: MARTIN RONNING , KEITH KENNETH M
IPC: A01D41/10
CPC classification number: A01D41/10
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公开(公告)号:US2455905A
公开(公告)日:1948-12-07
申请号:US51105443
申请日:1943-11-20
Applicant: MINNEAPOLIS MOLINE POWER CO
Inventor: MARTIN RONNING , KEITH KENNETH M
IPC: A01D61/00
CPC classification number: A01D61/008
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公开(公告)号:US2226563A
公开(公告)日:1940-12-31
申请号:US31497240
申请日:1940-01-22
Applicant: MINNEAPOLIS MOLINE POWER CO
Inventor: KEITH KENNETH M
IPC: A01D41/14
CPC classification number: A01D41/14
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公开(公告)号:US2053796A
公开(公告)日:1936-09-08
申请号:US5585635
申请日:1935-12-23
Applicant: MINNEAPOLIS MOLINE POWER CO
Inventor: KEITH KENNETH M , PARKS ORVILLE J
IPC: A01C15/00
CPC classification number: A01C15/006 , Y10T16/53605 , Y10T292/28
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