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公开(公告)号:US833735A
公开(公告)日:1906-10-23
申请号:US1906295774
申请日:1906-01-12
Applicant: JOHN NICHOLSON , DILLAVOU SAMUEL A
Inventor: DILLAVOU SAMUEL A
CPC classification number: A01F11/06
公开(公告)号:US833735A
公开(公告)日:1906-10-23
申请号:US1906295774
申请日:1906-01-12
Applicant: JOHN NICHOLSON , DILLAVOU SAMUEL A
Inventor: DILLAVOU SAMUEL A
CPC classification number: A01F11/06