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发明名称
METHOD AND APPARATUS FOR PROTECTING FISH IN A QUARRY IN A GAS-SATURATED WATER BODY IN WINTERTIME
摘要
申请公布号
SU1583531(A1)
申请公布日期
1990.08.07
申请号
SU19884410324
申请日期
1988.04.13
申请人
NOVOSIBIRSKIJ INZH-STR I IM.V.V.KUJBYSHEVA
发明人
ROSHCHUPKIN DMITRIJ V,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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