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发明名称
PERFECTIONNEMENT AUX GODETS OUVRANTS DE MACHINES DE TRAVAUX PUBLICS
摘要
申请公布号
FR2642098(B1)
申请公布日期
1991.04.12
申请号
FR19890000885
申请日期
1989.01.25
申请人
PONCIN GILLES
发明人
分类号
E02F3/40;E02F9/28;(IPC1-7):E02F3/40
主分类号
E02F3/40
代理机构
代理人
主权项
地址
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