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发明名称
Dispositif à creuser des rigoles comportant un disque et un déflecteur.
摘要
申请公布号
OA6427(A)
申请公布日期
1981.07.31
申请号
OA19800056987
申请日期
1980.01.07
申请人
ROGER BOURGELA
发明人
ZOCCO LOUIS
分类号
E02F3/18;E02F3/20;E02F5/02;(IPC1-7):E02F5/08
主分类号
E02F3/18
代理机构
代理人
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