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经营范围
发明名称
LAND DRAINAGE
摘要
申请公布号
GB1515686(A)
申请公布日期
1978.06.28
申请号
GB19750047024
申请日期
1975.11.14
申请人
FODERVAVNADER AB
发明人
分类号
E01F5/00;E02B11/00;E02D19/06;E02D31/02;(IPC1-7):E02D31/02
主分类号
E01F5/00
代理机构
代理人
主权项
地址
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