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摘要
申请公布号
FR2114235(A5)
申请公布日期
1972.06.30
申请号
FR19700041712
申请日期
1970.11.20
申请人
BAY JACQUES
发明人
分类号
A01C3/00;(IPC1-7):A01C3/00
主分类号
A01C3/00
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