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经营范围
发明名称
DISPOSITIF DE CURAGE D'UN CANAL.
摘要
申请公布号
FR2657373(B1)
申请公布日期
1993.11.05
申请号
FR19910000554
申请日期
1991.01.18
申请人
NILL WERNER
发明人
NILL WALTER
分类号
E03F5/04;E03F9/00;(IPC1-7):E03F9/00
主分类号
E03F5/04
代理机构
代理人
主权项
地址
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