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发明名称
摘要
申请公布号
FR2381451(B1)
申请公布日期
1983.02.11
申请号
FR19780005157
申请日期
1978.02.23
申请人
RANSOMES SIMS ET JEFFERIES LTD
发明人
分类号
A01B61/04;(IPC1-7):A01B3/40
主分类号
A01B61/04
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