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发明名称
Improvements in and relating to feed assemblies
摘要
申请公布号
GB2068324(A)
申请公布日期
1981.08.12
申请号
GB19810001952
申请日期
1981.01.22
申请人
NAT RES DEV CORP
发明人
分类号
A01C9/02;(IPC1-7):A01C9/02
主分类号
A01C9/02
代理机构
代理人
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