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发明名称
ROOT HARVESTERS
摘要
申请公布号
GB1601478(A)
申请公布日期
1981.10.28
申请号
GB19770043560
申请日期
1978.05.30
申请人
NATIONAL RESEARCH DEVELOPMENT CORP
发明人
分类号
A01D25/00;A01D25/04;(IPC1-7):A01D19/12
主分类号
A01D25/00
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代理人
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