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发明名称
FISH-PROTECTING DEVICE
摘要
申请公布号
SU1576642(A1)
申请公布日期
1990.07.07
申请号
SU19884389842
申请日期
1988.03.09
申请人
KRYUCHKOV VALERIJ S,SU
发明人
KRYUCHKOV VALERIJ S,SU
分类号
E02B8/08
主分类号
E02B8/08
代理机构
代理人
主权项
地址
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