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发明名称
FISH BARRIER OF PETRASHKEVICH
摘要
申请公布号
SU763515(A1)
申请公布日期
1980.09.15
申请号
SU19782637123
申请日期
1978.07.03
申请人
PETRASHKEVICH VALERIJ V,SU
发明人
PETRASHKEVICH VALERIJ V,SU
分类号
E02B8/08;(IPC1-7):E02B8/08
主分类号
E02B8/08
代理机构
代理人
主权项
地址
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