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发明名称
Charrue à tracteur à trois roues, avec dispositif de socs placés devant les roues motrices, assurant ainsi leur guidage par les sillons creusés
摘要
申请公布号
FR38831(E)
申请公布日期
1931.07.31
申请号
FRD38831
申请日期
1930.02.12
申请人
发明人
GRILLET JEAN-GASTON
分类号
A01B3/38;A01B15/06;A01B63/04
主分类号
A01B3/38
代理机构
代理人
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