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公开(公告)号:US3093947A
公开(公告)日:1963-06-18
申请号:US13140661
申请日:1961-08-14
Applicant: WHITMAN LOUIS F
Inventor: WHITMAN LOUIS F
IPC: A01D34/86
CPC classification number: A01D34/86
公开(公告)号:US3093947A
公开(公告)日:1963-06-18
申请号:US13140661
申请日:1961-08-14
Applicant: WHITMAN LOUIS F
Inventor: WHITMAN LOUIS F
IPC: A01D34/86
CPC classification number: A01D34/86