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公开(公告)号:US994412A
公开(公告)日:1911-06-06
申请号:US1910590146
申请日:1910-11-01
Applicant: KRONE FREDERICK W JR
Inventor: KRONE FREDERICK W JR
CPC classification number: A01G13/06
公开(公告)号:US994412A
公开(公告)日:1911-06-06
申请号:US1910590146
申请日:1910-11-01
Applicant: KRONE FREDERICK W JR
Inventor: KRONE FREDERICK W JR
CPC classification number: A01G13/06