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发明名称
SERRATED CONCAVE HARROW DISC
摘要
申请公布号
AU553987(B2)
申请公布日期
1986.07.31
申请号
AU19830015810
申请日期
1983.06.15
申请人
NATIONAL RESEARCH DEVELOPMENT CORP.
发明人
DAVID ERIC PATTERSON;CHARLES DAVID RICHARDSON
分类号
A01B23/06;(IPC1-7):A01B23/06
主分类号
A01B23/06
代理机构
代理人
主权项
地址
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