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公开(公告)号:US629629A
公开(公告)日:1899-07-25
申请号:US1899709288
申请日:1899-03-16
Applicant: UNDERWOOD JAMES ANDREW
Inventor: UNDERWOOD JAMES ANDREW
CPC classification number: A01B19/02
公开(公告)号:US629629A
公开(公告)日:1899-07-25
申请号:US1899709288
申请日:1899-03-16
Applicant: UNDERWOOD JAMES ANDREW
Inventor: UNDERWOOD JAMES ANDREW
CPC classification number: A01B19/02