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发明名称
CONVECTIONAL-CELL FO SUPPLY OF FISH-POND'S WATER WITH OXYGEN IN WINTER
摘要
申请公布号
HU901265(D0)
申请公布日期
1990.05.28
申请号
HU19900001265
申请日期
1990.03.02
申请人
GUTPER,JOZSEF,HU;MISKOLCZI,LAJOS,HU
发明人
GUTPER,JOZSEF,HU;MISKOLCZI,LAJOS,HU
分类号
A01K63/04
主分类号
A01K63/04
代理机构
代理人
主权项
地址
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