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发明名称
DISPOSITIF A PASSERELLE INCLINABLE, NOTAMMENT POUR L'EPANDAGE DU GRAVILLON
摘要
申请公布号
FR2622561(B1)
申请公布日期
1990.03.02
申请号
FR19870015321
申请日期
1987.10.28
申请人
MARREL BENNES
发明人
RAYMOND BORE
分类号
E01C19/20;(IPC1-7):B66F11/04
主分类号
E01C19/20
代理机构
代理人
主权项
地址
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