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发明名称
CONTROLLING EROSION OF RIVER OR SEA BEDS
摘要
申请公布号
HK14490(A)
申请公布日期
1990.03.02
申请号
HK19900000144
申请日期
1990.02.22
申请人
SEABED SCOUR CONTROL SYST LTD
发明人
PETER ALSOP
分类号
E02B3/12;E02B3/04;(IPC1-7):E02B3/04
主分类号
E02B3/12
代理机构
代理人
主权项
地址
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