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发明名称
摘要
申请公布号
FR2055869(A5)
申请公布日期
1971.05.14
申请号
FR19690026636
申请日期
1969.08.04
申请人
BATTEL GERARD
发明人
分类号
A01C7/04;(IPC1-7):A01C7/00
主分类号
A01C7/04
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