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发明名称
Perfectionnements aux charrues semi-portées
摘要
申请公布号
FR1038577(A)
申请公布日期
1953.09.30
申请号
FRD1038577
申请日期
1951.02.22
申请人
发明人
BONNEL HENRI-ALBERT
分类号
A01B3/46;A01B59/042
主分类号
A01B3/46
代理机构
代理人
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