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1.发明授权Attachment for hay balers for distributing chemicals through hay during baling 失效打包机中用于通过干草分配化学品的干草打捆机的附件
公开(公告)号：US2642793A
公开(公告)日：1953-06-23
申请号：US18103950
申请日：1950-08-23
Applicant: HEISEY EZRA D
Inventor： HEISEY EZRA D
IPC: A01F15/08
CPC classification number: A01F15/0816
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