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发明名称
摘要
申请公布号
FR2080185(A5)
申请公布日期
1971.11.12
申请号
FR19700006868
申请日期
1970.02.26
申请人
CARREE FRANCIS
发明人
分类号
A01C9/08;(IPC1-7):A01C9/00
主分类号
A01C9/08
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