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公开(公告)号:US3338040A
公开(公告)日:1967-08-29
申请号:US34046264
申请日:1964-01-27
Applicant: SHIPLEY JR ROBERT M
Inventor: SHIPLEY JR ROBERT M
IPC: A01D46/26
CPC classification number: A01D46/26
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公开(公告)号:US3059402A
公开(公告)日:1962-10-23
申请号:US17839462
申请日:1962-03-08
Applicant: SHIPLEY JR ROBERT M
Inventor: SHIPLEY JR ROBERT M
IPC: A01D46/26
CPC classification number: A01D46/26
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公开(公告)号:US2960909A
公开(公告)日:1960-11-22
申请号:US63271057
申请日:1957-01-07
Applicant: SHIPLEY JR ROBERT M
Inventor: SHIPLEY JR ROBERT M
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公开(公告)号:US2157437A
公开(公告)日:1939-05-09
申请号:US18682338
申请日:1938-01-25
Applicant: SHIPLEY JR ROBERT M
Inventor: SHIPLEY JR ROBERT M
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