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发明名称
Perfectionnements aux instruments agricoles, notamment aux charrues semi-portées et engins analogues
摘要
申请公布号
FR1083491(A)
申请公布日期
1955.01.10
申请号
FRD1083491
申请日期
1953.04.23
申请人
发明人
DUPONT CHARLES
分类号
A01B63/04
主分类号
A01B63/04
代理机构
代理人
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