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公开(公告)号:US1027745A
公开(公告)日:1912-05-28
申请号:US1909525361
申请日:1909-10-29
Applicant: MARTIN WILLIAM E
Inventor: MARTIN WILLIAM E
CPC classification number: A01D34/07
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公开(公告)号:US642349A
公开(公告)日:1900-01-30
申请号:US1899720146
申请日:1899-06-12
Applicant: MARTIN WILLIAM E
Inventor: MARTIN WILLIAM E
CPC classification number: A01B3/14
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